Add empty Cocoa Framework project.

Decorate source with MIT license.
Rename FileInput/ to Source/.

Also rename FileInputTest/ to Test/.
Rename FileInputTests to FileInput-LogicTests.
Rename to FileInput_tests.swift.
Share scheme for framework and logic test.
Analyze Release configuration.
Turn up analysis and warnings.

Also treat warnings as errors.
Add README.md and LICENSE.txt to project.
Merge branch 'feature/emptyProject'