- refactor lcl_html_helper (renamed to lcl_html, additional methods)
- icons rendered with lcl_html->icon
- some common html chunks moved to lcl_gui_chunk_lib
- lcl_gui_page_super renamed to lcl_gui_page
- page structure rendering concentrated in lcl_gui_page->render
* Added empty settings page
Also added it in the Advanced meun
* Added Settings HTML structure
* Provide settings persistence
I put the unit tests in the persistence include rather than the unit test include
* Triggering settings save on UI event
* Plug-in the proxy settings into CL_HTTP_CLIENT
Also, removed a break point...
* abaplint fixes
* abaplint fixes#2