Corrected nasty bug in import_package and consequently auto_import_packages functionality. File ids were not correctly mapped to the data base ids under special circumstances.

Added tooltips at widget's parameters window (tooltip on parameter's name or parameter's value shows parameter description from database)

Conflicts:
	mothra/settings.py

Newly defined project's settings.py and connected files.

Conflicts:
	workflows/latino/library_gen.py
	workflows/latino/serialization_utils.py

Corrected imports of .Net stuff - if python.net interpreter is not present everything still works - but a warning message is displayed.

fixed package structures for the following packages: nlp, decision support, subgroup discovery, bioinformatics.

Package inport/export functionality corrected/improved. Export was rewriten so that it outputs Categories/widgets/Inputs/... always in the same order as well as notifies the user what it is exporting.