Changed the PSMobile build to not fail the build check
until it can be fixed.
Reverted previous commit
Fixed the Cleanup of the obj directory.
Merge remote-tracking branch 'upstream/develop' into develop
Merge pull request #1708 from dellis1972/develop

Fixed Windows 8 Build
Merge branch 'develop' of https://github.com/mono/MonoGame into develop.helperclasses