Migrating Geo module out of the Zorba core.
Migration of the geoproj module out of the Zorba core.
Joining of geoproj module with geo module
Fixed Errors in the throw of Exceptions.

Fixed some tests according to changes.
Use PROJECT_SOURCE_DIR instead of CMAKE_SOURCE_DIR, to work inside a
Zorba build.
Fixed Mantis Bug[0000133]
Adding EXPECTED_FAILURE()s for failing tests.
Remove CLOSE_EXPECTED_FAILURES(); no longer required.
Adding EXPECTED_FAILURE()s for tests failing due to scripting changes.
Removal of deprecated string functions.
Replaced trim() usage.
s/equals/==/
s/zorbastring.h/zorba_string.h/, part 2
Fixed tests for geo module.
Fix newlines in exp result.
Trying again expected result for union5_3d
Marked geo/union5_3d as expected failure
Added alternative result for geo/union5_3d
Fixed geoproj.xq module.
updated example tags in the modules.
Added namespace declaration for math in geoproj