first tests for queries
transformed readElement of MSBuildReader to a generic.
removed unused imports
Merge commit 'a0f2b0486ff3dca962bec45b6fc1f1d851e667f2' into query_test
some tests with queries
*grrrr*
Merge origin/master into query_test

Conflicts:
	src/main/java/org/bromix/msbuild/Condition.java