Add gitignore, License and Readme

.gitignore

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+# Xcode
+#
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+
+# CocoaPods
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# http://guides.cocoapods.org/using/using-cocoapods.html#should-i-ignore-the-pods-directory-in-source-control
+#
+# Pods/

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2015 pixelkind
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

README.md

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+# Lane Assist
+
+An Assistant for AutoLayout in Swift
+
+You know the problem: you just want to set a NSLayoutConstraint in your Code and you end up with something like this:
+
+```swift
+addConstraint(NSLayoutConstraint(item: view, attribute: .Top, relatedBy: .Equal, toItem: self, attribute: .Top, multiplier: 1, constant: 0))
+```
+
+Wouldn't it be nice to write something more swift-like and readable? Like this:
+
+```swift
+view.LA.top().addToSuperview()
+```
+
+With Lane Assist you can! Just add Lane Assist to your project and you're done. Lane Assist is not a DSL on top of AutoLayout that you have to learn, instead it just creates basic NSLayoutConstraints with some easy function calls. Method chaining makes it even more comfortable to use.
+
+## Usage
+
+## Available methods
+
+### Standard Layout methods
+
+* `width()`
+* `height()`
+* `top()`
+* `bottom()`
+* `left()`
+* `right()`
+* `centerX()`
+* `centerY()`
+
+Here you have the following optional parameters with their default values:
+
+* `constant: CGFloat = 0`
+* `view: UIView? = nil`
+* `multiplier: CGFloat = 1`
+* `relation: NSLayoutRelation = .Equal`
+
+> ⚠️ If you leave out the view, Lane Assist will automatically use the superview of your view as second View-Item. So make sure you have added your view to the view-hierarchy before using the Lane Assist methods.
+
+### Methods to create fixed Layout Attributes
+
+These methods create an NSLayoutConstraint with the second view set to `nil` and the second attribute set to `.NotAnAttribute`.
+
+* `fixedWidth()`
+* `fixedHeight()`
+
+Here you have the following optional parameters with their default values:
+
+* `constant: CGFloat = 0`
+* `multiplier: CGFloat = 1`
+* `relation: NSLayoutRelation = .Equal`
+
+
+### Method to create custom constraints
+
+* `constraint(firstAttribute: NSLayoutAttribute)`
+
+The first parameter is non-optional and the following optional parameters with their default values are:
+
+* `view: UIView? = nil`
+* `secondAttribute: NSLayoutAttribute? = nil`
+* `constant: CGFloat = 0`
+* `multiplier: CGFloat = 1`
+* `relation: NSLayoutRelation = .Equal`
+
+If you leave out the second attribute, the method will just use the first attribute as the second.
+
+### Methods to add a constraint to a view
+
+* `addToSuperview()`
+* `addToView(view: UIView)`
+
+### Method to set the priority of a constraint
+
+* `priority(priority: UILayoutPriority)`
+
+## More examples
+
+The usual NSLayoutConstraint code to place a view horizontally centered, 100px from top, with the same width as the superview and the same height as the view's width:
+
+```swift
+addConstraint(NSLayoutConstraint(item: view, attribute: .CenterX, relatedBy: .Equal, toItem: self, attribute: .CenterX, multiplier: 1, constant: 0))
+addConstraint(NSLayoutConstraint(item: view, attribute: .Top, relatedBy: .Equal, toItem: self, attribute: .Top, multiplier: 1, constant: 100))
+addConstraint(NSLayoutConstraint(item: view, attribute: .Width, relatedBy: .Equal, toItem: self, attribute: .Width, multiplier: 1, constant: 0))
+addConstraint(NSLayoutConstraint(item: view, attribute: .Height, relatedBy: .Equal, toItem: view, attribute: .Width, multiplier: 1, constant: 0))
+```
+
+The same code using Lane Assist:
+
+```swift
+view.LA.centerX().addToSuperview()
+view.LA.top(constant: 100).addToSuperview()
+view.LA.width().addToSuperview()
+view.LA.constraint(firstAttribute: .Height, view: view, secondAttribute: .Width).addToSuperview()
+```
+
+To hold on to a constraint (for example if you want to animate it), just assign it to a variable. Let's say we want to animate the top-constraint:
+
+```swift
+let topConstraint = view.LA.top(constant: 100).addToSuperview()
+
+UIView.animateWithDuration(2, animations: { () -> Void in
+    self.topConstraint.constant = 200
+    self.layoutIfNeeded()
+})
+```
+
+> ⚠️ Per default Lane Assists calls `setTranslatesAutoresizingMaskIntoConstraints(false)` on your view, if used.
+
+Lane Assist is currently used in a real world Project by me. If you end up using Lane Assist in your projects too, I'd happy to hear your thoughts and ideas. You can reach me through [Twitter](https://twitter.com/pixelkindcom).