* Vimium like link hint navigation
After this commit is applied, the link hint navigation can be used.
The feature can be activated and configured in the user settings.
Role model is the link hint navigation in the Google Chrome plugin
Vimium.
* refactoring: introduce KeyNavigation prototype
* refactoring: introduce LinkHints prototype
- new default behaviour is that the last seen repo isn't deserialized automatically. Instead the user has to choose a repo to work with
- old behaviour can be reactivated via user setting
* Add T100 support to ZCX_ABAPGIT_EXCEPTION
* Use T100 error messages in DEVC
* Replace zcx_abapgit_exception->text with get_text
* Use SE24 generated constructor in T100 exception
* lcl_background to global
* lcl_branch_overview to global
* lcl_services_git to global
* lcl_services_repo and lcl_services_db to global
* lcl_services_abapgit to global
* lcl_gui_chunk_lib to global
* lcl_gui_view_tutorial to global
* lif_auth to global
* lcl_auth and lcl_gui_view_repo to global
* lcl_view_repo
* lcl_gui_page_syntax to global
* 2 pages to global
* refactor router, less dynamic references
* background pages to global
* branch overview to global
* settings page to global
* repo settings page to global
* explore page to global
* diff page to global
* debug info to global
* main page to global
* refactor router, no dynamic references
* db pages to global
* router to global
* gui to global
* clean up includes
* move type definnition to interface
to avoid syntax error after abapmerge
* move types to interface
* move types to interface
* rename tyep
* move type
* move types
* move type
* lcl_zip to global
* lcl_transport to global
* lcl_transport_2_branch to global
* lcl_merge to global
* lcl_migrations to global
* lcl_news to global
* lcl_repo_content_list to global
* move test to global class
* clean up empty includes
