v0.14.1

Merge 0.14 (#1)

* Add 'hasChanges' to Field interface and all implementations
* Use 'hasChanges' in edit panel to check for unsaved changes instead of checking the value
* Implement Draft.js field as plugin
* Add 'registerHeaderElements' to ServerPlugin interface
* Extends top-level tsconfig in SDK
* Expose query util function
* Add rightFoldList and leftFoldList expressions to SDK
* Add 'with' expression to SDK
* Re-implement filter on server side
* Remove all namespace declarations
* Allow quick search to work with all possible structures
* Up versions