Merge branch 'develop'
up to 5 /public release

* NEW: UI-State panel of SBE: ( VS IDE View -> Other Windows -> Solution Build-Events )
* NEW: Experimental New Event - Transmitter. To transfer output data to outer handler.
       Uses custom variables.
* CHANGED: Configuration file name - .xprojvsbe -> .vssbe
           Automatically updated from older version.
* CHANGED: Extended notice of work (used NLog)
* FIXED: Ability handle a pair for wrapper (UI) & trim removed for "treat newline as"
* FIXED: Duplicate data with OutputWindowPane
* FIXED: Other UI/Core bugs fixed
Complete support msbuild variable & trivial bug fixed with escape symbol for parseCustomVariable()

* parseVariablesMSBuildSimple() mark as deprecated because the new entry point for selecting between of the simple property and unevaluated variable for second step...
public release

* CHANGED: Additional support of MSBuild variables.
           Property Functions
           - MSDN: http://msdn.microsoft.com/en-us/library/vstudio/dd633440%28v=vs.120%29.aspx

           * $(var.Method(p, p2, ..)) / Static: $([class]::Method(p, p2, ..))
           * $(var.Property) / Static: $([class]::Property)
           Examples:
                * $([System.Guid]::NewGuid())
                * $(SolutionDir.Substring(0,3))
                * See our documentation for more detail and other samples.

* FIXED: bug fixed with escape symbol for additional variables.
IMSBuildProperty <- +evaluateVariable
added .csproj & .sln file for VS2013

* msobtnid.h is being deprecated
missed catching exception in fillProperties & trivial refactoring of use the SBECommand
Solution for problem with the GlobalProjectCollection.LoadedProjects

* Details in Issue #3
* Similar problems - MS Connect Issue #508628: http://connect.microsoft.com/VisualStudio/feedback/details/508628/
AllEvaluatedProperties -> Properties
  "Unlike properties returned by the Properties property, these are ordered, and includes any properties subsequently overridden with the same name"
  http://msdn.microsoft.com/en-us/library/microsoft.build.evaluation.project.allevaluatedproperties%28v=vs.100%29.aspx
fixed problem with OnAfterOpenSolution #4

the property Solution.FullName may be empty e.g. if fNewSolution == 1 etc.
added .csproj & .sln file for VS2012
UI: added bug-report button