Fixes data types in dummy process.
Dummyprocess now using types library to set input types.
Fix GRASS LOCATION by Martin Landa
Fixing setup.py
Fix the but There is an error (cannot concatenate str and int objects)
when the user does not specify the inputs.
Merge branch 'master' of https://github.com/ldesousa/PyWPS into ldesousa-master

Conflicts:
	pywps/processes/dummyprocess.py
fixing version in setup.py
Merge remote-tracking branch 'upstream/master'