add create_version method
add create_ontology method

Conflicts:
	app/models/repository/git_repositories.rb
remove iri argument
simplify ontology retrieval
make user argument mandatory
rename variable
add do_not_parse to save_file
fix version having wrong path bug
move tests to rspec
further simplification
begining improve the rake task for categories
rake task loads ontology from ontohub.org

if it loads nessecery and imports it into the meta
 repository. and it generates the categories
fix form-fields for names yet again.
change source/target form to explicitly to string.
remove non needed variable and method call
add viewhelpers for help with status pages

The general status viewhelper is intended to handle tabbing for the
status page and to initialize the corresponding Viewhelper based on the
current tab. It also provides render functionality for the partial which
belongs to the current tab.
add the basic status controller.
add views utilizing the viewhelpers.
change internationalization for status

Change the layout of status internationalization
to a nested one and add missing information in the
process.
remove unnecessary loading of module in viewhelper

Remove the unnecessary loading of a module that is already provided by a
view. Instead we'll load the view as attribute into the Viewhelper and
call the specific method on that object.