Excluded new project Starcounter.VS.VSIX.2013.csproj from the build system policy

"All managed projects must have an XML documentation file".
Merge branch 'issue/1479' into develop
Fix: Only using local cache for external requests if the json has not been sent.
Merge branch 'issue/1489' into develop
Splitted old Starcounter.Rest into independent Starcounter.UriMatcher and Starcounter.Rest.
Merge branch 'develop' of ssh://sccode.innowait.se:7999/bluestar/level1 into develop

Conflicts:
	src/Level1.sln
Fixed solution merging problem.
Deleted old ABCIPC code and its references.
Added another restriction on created dynamic expression for typed json.
Updated unittest for dynamic typed json.
Added IsDirty property on Transaction.
Documented Transaction class a bit.
Removed unused SPA Pmail project. Refactored apps bootstrapper and Administrator.
Minor refactoring.
Merge branch 'develop' into issue/1217
Merge branch 'issue/1217' into develop
Removed unused code client state common scheduler interface.
Work-around client (gateway) connection initialization on new database available.
Refactored and cleaned up the static webserver and removed the code for scriptinjection since it is not in use.
Updated unittests after refactoring of static webserver.
Changed the use of exceptions and instead checking before if a file exists when reading it in static webserver.