Merge pull request #10 from titoko/dev

Iptables
admin-password argument
Change app fetching
auto-append -h
merge
app_list()
Add app list sort
Todo list \o/
Fetching sources, done
Error handling for extraction
Update yunohost_tools.py
App system enhancement
Correct installation error
Refactor monitor functions
Fetch list and update
Implement filter and raw listing in app_list
MYSQL and dependencies in app_install()
Refactoring
app_listlists() :D
app_removelist