Reversing SplitContainer change

Since the split container issue is now being handled from within Mono
itself, this change is no longer required

Change-Id: I7c3c1141aef2637bc3195ed48db83ea7bb2bb8be
Add tasks to run nunit tests to the Linux build process

Change-Id: I20804a4d01471c66c236285727f9f693958235b9
Refactor Mercurial unzip task

Change-Id: I615fef09f03933c4b5fdd72fb26135e223243713
Add downloaded files to .gitignore

Change-Id: I40d0618f34fbc3e35362c724fe7bd4862ae15461
Remove KeyboardController.Initialize

This was originally required to avoid a crash in Palaso.  Palaso
has since corrected the situation so that it no longer crashes
in this situation.

Change-Id: Idd60f2cdc5a6f8cf5fd6370cc529bfaa984d7217
Allow TestBuild to build Debug or Release

Change-Id: I5a961400b6605e35ac321a846e6dec51f5b8984d
Tweak the environ file to fit WeSay better

Change-Id: I2dfcb18d35440b7f3fe8a41695bab8fbe29ad460
Switch to using master for libpalaso and chorus

Change-Id: Ibacbc0c45adcc30559dcbce89b027d52d61ecc1f