Adding upgrade and config.
Sync config.
Only output if upgrade successfull.
Rename config to link. Add backing up store.
Handle invalid links.
Allows removing a link.
List links.
Update manpages.
Another manpage update.
v0.2.0
Merge pull request #2 from hsume2/hsume2/upgrade_and_config_work

Adds the ability to upgrade the Aka configuration and synchronize configurations with output files