Fix the Effect class for PSMobile
Minor refactoring on Effect.cs to better memory usage
Missing change in last commit
Merge branch 'develop' of github.com:jalf/MonoGame into develop
Fix the  null reference exception on dispose shaders

fix missed empty collection usage
Merge remote-tracking branch 'upstream/develop' into develop
Merge branch 'develop' of github.com:jalf/MonoGame into develop
Merge branch 'develop' of github.com:jalf/MonoGame into develop
Merge remote-tracking branch 'upstream/develop' into develop
Fix PSM samples
Changed the PSMobile build to not fail the build check
until it can be fixed.
Reverted previous commit
Revert "Fix PSM samples"

This reverts commit b5e234121145080254e5d97a1ec9a7e584b1f872.
Merge pull request #1668 from jalf/develop

Fix the Effect class for PSMobile
Fixed the Cleanup of the obj directory.
Merge remote-tracking branch 'upstream/develop' into develop
Fix due latest PSM merge
Merge pull request #1709 from jalf/develop

Fix due latest PSM merge
Merge pull request #1708 from dellis1972/develop

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