Playing sound of cow when the IconeStyle is set to "cow".

Signed-off-by: Tal952 <tal952@walla.com>
ShowCellToolTips = False for all DataGridView's because of .NET 4 bug
Merge pull request #1039 from tal952/master

Playing sound of cow when the IconeStyle is set to "cow".
Explicitly dispose all forms when closed.

 - Deals with some of the random crashes that have been occurring.
Merge pull request #1041 from paviad/master

Explicitly dispose forms after usage (issue #1037)
Wrapping the commitForm into using for proper cleanup issue #1037
Regarding issue #1037, when opening commit form around 4-5 times, I received the below exception so here I'm manually disposing the loading image

System.AccessViolationException was unhandled
  HResult=-2147467261
  Message=Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
  Source=System.Drawing
  StackTrace:
       at System.Drawing.SafeNativeMethods.Gdip.IntGdipDisposeImage(HandleRef image)
       at System.Drawing.Image.Dispose(Boolean disposing)
       at System.Drawing.Image.Finalize()
  InnerException:
Merge pull request #1045 from fraga/dotNet4

Some fixes for .net 4.0
1. per instance ProcessOutputTimer

2. renamed procedures to distinct appending text to dialog output from appending text to process outputString
3. Disposing timer to prevent appending text to disposed form
4. All messages are appended by timer to keep appended text order
Disposing cow_moo stream
check if outpuTimer was disposed
Version update
Fixed .net 4.0 requirement in installer
Added setting to DeleteUnusedBranches plugin to use other branch then master as reference branch

Signed-off-by: Henk Westhuis <henk_westhuis@hotmail.com>
removed unused code
Merge pull request #1050 from jbialobr/dotNet4

Dot net4
Merge branch 'master' into dotNet4

Conflicts:
	GitUI/FormBrowse.cs
	GitUI/Properties/Resources.Designer.cs
Revert "Revert "Merge remote-tracking branch 'Chevex/NET40'""

This reverts commit 8b87fec7144d972e1773ccb8979c25b1ae25d488.

Conflicts:

	GitUI/FormBrowse.cs
	GitUI/Properties/Resources.Designer.cs
Revert "Revert "Converted GitExtensions.Mono.csproj to .net 4.0""

This reverts commit bf950a01aeeef735eaa3d25d0f67e40bc52b7310.
Revert "Switched Gerrit plugin to .NET 3.5."

This reverts commit ce814a1e7d1ae6ff0b122037bef0570a70c068bb.