adding instructions on how to install nuget for monoDevelop
Merge pull request #1702 from fraga/updateMonoNuGetInstructions

adding instructions on how to install nuget for monoDevelop
ImageIndex -1 crash fixed. Closes #1688
failsafe script to force nuget packages to download in case xbuild won't update. Updating README on mono + nuget
adding packages.config to GitExtensions.Mono, now NBug is part of Nuget
Merge pull request #1709 from fraga/fixMonoProject

adding packages.config to GitExtensions.Mono, now NBug is part of Nuget
Merge pull request #1708 from fraga/NugetMono

Adding script to manually update nuget, updating README
WiX, git-rev-parse links updated
git2.dll added to plugins excluded files
File history in FormCommit fixed
Method RunGitCmdAsync() renamed to ReadGitOutputLines() and RunGitCmdAndNotWait()
modified GitHead parse;

Consider the case where a tag is named "refs/heads/some-tag". This
case is unlikely, but it may cause ill side-effects because it'll
be parsed as both a Head and a Tag. "refs/tags/refs/heads/some-tag".
Removed variable ExcludedFiles.
Merge pull request #1715 from bergerjac/prs/GitHead

modified GitHead parse
PluginRootIntroductionPage: remove "IsInstantSavePage: true"
SettingsPageBase: return also TextBox and ComboBox Text value to be found the the search
GitPlugin: save icons with 24bit
FormGoToCommit: fix help link and simplify label text
FormChooseCommit: add button that opens the Go to commit dialog that helps to find a specific commit
Merge pull request #1721 from feinstaub/topic_pluginicons

GitPlugin: save icons with 24bit