Toolbox: Documentation.

- Documented Doxygen.
- Documented the APIs of CMake and Make.
- Minor changes.
Perl-Support: Added toolbox. Related changes.

- Removed superfluous settings from the filetype plugin.
- Added toolbox.
- Removed Make integration from run menu.
- Added new files to 'makedist' script.
- Removed superfluous functions.
- Fixed 'Perl_LoadMenus' option.

Project: Added make filetype plugin.

- Added make filetype plugin: Sets up shortcuts for Make tool.
C-Support: Removed make integration. Bugfixes.

- Removed Make integration from run menu.
- Shortcuts for make tool are set in the filetype plugin.
- Added new files to 'makedist' script.
- Fixed 'C_LoadMenus' option.
- Fixed 'CheckAndRereadTemplates'.
  -> Now prevents unnecessary rereading of the template library.
Vim-Support: Fixed map. Minor changes.

- Fixed map 'adjust end-of-line comments' (broken in visual mode).
- Minor changes.
- ReadMe and ChangeLog updated.
Bash-Support: Minor changes.

- Fixed two menu entries (cosmetic change).
- Code cleanup.