Awk-Support: Map renamed. Bugfixes.

- Map renamed: \rt -> \rx .
- Wrapper-script missing.
- Resolve home for linked home directories.
- Footer did not appear in doc/awk-hotkeys.pdf
- makedist.sh changed.
C-Support: Map renamed

- Map renamed: \re -> \rme.
- Documentation updated.
Bash-Support: Documentation updated.

- Minor changes.
- Documentation updated.
Perl-Support: Some settings moved to the filetype plugin.

- Some settings moved to the filetype plugin.
- Documentation updated.
Latex-Support: Template added.

- Template added.
- Minor bugfixes and improvements.