patch 2 public release

* FIXED: Incorrect check configuration from the "Configuration Manager".
         Possible bug - "MSBuild Properties are empty not listed and used"
disabled flag optimization of reload projects & fixed the comparison paths

* Oflag - somewhere works somewhere not ... see #3, #5 & MS Connect Issue #508628
* EndWith -> _cmpPathBEProjectWithString
fixed problem with initialization EventHandler's from UI.StatusToolWindow

+ Exception -> NotSupportedException
patch 3 public release

* FIXED: Resolved the problem - "Error with getting properties: not found project: <default>".
* FIXED: Problem with the UI-State panel initialization on some projects.
references with SDK for VS2013 & VS2012 - fixed building

changed the TargetFrameworkVersion
Caching of retrieved properties for EnvironmentVariablesFrm

+ fixed S_FALSE -> E_FAIL in the OnAfterOpenSolution and destroying _configFrm with Dispose of package
Major fixes with the MSBuildParser

* IEnumerable<EnvDTE.Project> DTEProjects for problems with the ProjectCollection.GlobalProjectCollection - see #8
* _getSolutionGlobalProperty() for work with the Solution-context on default projects
* getProject() now works with DTE and loads the Build.Evaluation.Project if needed
** when manually loading(if bug exist with LoadedProjects) we can use the _getGlobalProperties for problem #7