Make an ARIA2 download configuration section in jobsites.ini

Add an ARIA2 download configuration to jobsites.ini and add support for
reading it (and eventually translating it into the faster downloads we
had before but in a much more organized manner).
General cleanup

Add module comment and remove an unused import
Mobile version support/optimization

Regex to parse links from the mobile version of Dice.com
PEP8 and Pylint shell scripts

Add shell scripts and lint configuration to JobParser