Added a "show log" menu command in Git AddIn.
Merge pull request #35 from Rpinski/master

A "Git Show Log..." menu command
Fix xml completion for SubstitutionGroup elements.
Fix NullReferenceException for incorrect SubstitutionGroup in XML schema.

Handle XML schema that defines an element that uses a SubstitutionGroup
element but does not define the corresponding element.
Fix incorrect WinForm resource names generated for Boo.
Remove "alpha" designation
GetMajorVersion() assumes VersionInfo string to be either null or non-empty
FxCop - Return default strings if resources cannot be found.
http://community.sharpdevelop.net/forums/t/16600.aspx (3. Item)
Fix null reference exception in database connection dialog.

The Add button was being enabled when the selected database
changed but on connecting to the server again the selected
database was cleared but the Add button was not disabled.
Fix null reference exception on disposing EDM View.

When an exception is thrown when loading a .edmx file
the EDMDesignerViewContent's Dispose method was not
handling the EDMView being null and causing the
underlying exception to be hidden.
Reformat code.
Fix null reference when creating new EF data model file.

Do not add an EntityTypeMapping element if it already exists.
Fix intermittent error were the EF data model view content
does not have a workbench window when the file is renamed
on save.
add DateSubtract.cs function to SDR syntax DateSubtract(endDate,startDate)
Merge branch 'master' of github.com:icsharpcode/SharpDevelop
Merge remote-tracking branch 'upstream/master'