Modify comments in source files to comply with new markdown documentation format.
Move doc extraction mechanism to wiki tree
Move source scripts to their own subdir (src)
Merge branch 'new_doc' into develop
Switch version to 1.1.23
Fix doc and insert base documentation (taken from wiki).

Reason: wiki is now fully generated from source scripts. So, we need to embed base documentation into pseudo-script files.
Remove /usr/share/doc from specfile
Add 'dist' to RPM release (on RHEL only).
Merge branch 'release-1.1.23' into develop