Added details about build variables.
Restructured package contents.
Restructured package contents.
Added better support for subcommands.
Updated custom-packages target that builds our custom packages.
Removed existing os command.
Added better support for subcommands.
Merged.
Check if package is created using equivs.
Updated build command path.
Updated changelog.
Fixed script paths.
Added TODO note.
Merge branch 'feature-documentation'

* feature-documentation:
  Added details about build variables.
Added instructions for SourceForge file uploads.
Removed obsolete instructions.
Added user-configurable CI host.