Carthage scheme change

Merge pull request #83 from uber/project-carthage_shared_scheme-master

Only share the NeedleFoundation scheme for Carthage

Cartfile moved to project root

Merge pull request #82 from uber/structure-carthage-master

Move Foundation Cartfile to root directory

iOS deployment target set to 8.0

Merge pull request #81 from uber/project-set_ios_deplymenttarget-master

Set iOS deployment target to 8.0

Updated EmptyDependencyProvider initializer

Updated the initializer to take in the source component, so it's uniform with generated code.

Add Dependency protocol and removed Scope protocol

Merge pull request #67 from uber/foundation-dependency_protocol-master

Add Dependency protocol

Remove module name from component path

Merge pull request #46 from uber/foundation-remove_module_name-master

Remove module name from component path

Initial Foundation release

This release only contains Foundation classes.