Added settings support for frontends.

Added new setting -p|--configpath to select the path where search for linstaller configurations

config/thewall-test: added test thewall config.

frontends/cli: added "follow" setting.
Added supermodules support (a virtual module which calls a set of modules defined on the configuration file).

Added some simple test modules.
Added support for user-defined target directory (-t switch).
Added seed_setup() function in module.py, override this to set-up things before seeding occours.
Check for modu before revert.
Merged upstream/master.
modules/partdisks: library: mount_partition added support for mount type.
Merge pull request #2 from g7/master

Merge changes added during the first stage of the thewall development cycle