Adds unit tests for double extension methods + Fixes a build problem on Mono
Adds a few unit tests for integer extension methods
Unit tests some string extensions
Adds unit tests for some more string extensions
Tests a few more string extensions
Making project build on Mono
Adding updated tests and reducing image sizes.
Fixing unit test
Refactoring extensions
Fixing references.
Reorganizing native binaries
Merge remote-tracking branch 'origin/dev' into V2

Conflicts:
	src/ImageProcessor/Imaging/Formats/GifEncoder.cs
	src/ImageProcessorConsole/Program.cs
	src/ImageProcessorConsole/images/output/nLpfllv.gif
Removing rogue tests
Merge branch 'V2' of github.com:JimBobSquarePants/ImageProcessor into tests