Refactor PathsInitializer for light environments.
move git logger into init file

Also fix the requirement of being in the directory
of the file, when loading init.rb.
Remove unnecessary OntohubConfig and refactor.
remove strange working_copy.pies config-entry.
fix key model spec by providing valid rsa key.
add missing working_copies path to config.
Fix key controller specs by providing a valid key.
Merge branch 'augmenting304_ssh_access_for_git' into develop
Global ontology search only allows searching for ontologies via used logics
Suggest only names of logics used in a particular repository
Added better_errors and binding_of_caller.
Create repository button hid below repository list.
Merge branch 'develop' into develop.ontohub.org