Update requirements in setup.py to include jinja2
Merge pull request #1 from Dinoshauer/jinja2-requirement

Update requirements in setup.py to include jinja2
Added list of plugins to config.
Restructured cli a little.
Added ext folder for plugins.
Removed ext folder.
Added cli plugin loading.

And removed server, as that became a test plugin.
Merge branch 'plugins' of github.com:Dinoshauer/beetle into plugins

* 'plugins' of github.com:Dinoshauer/beetle:
  Added cli plugin loading.
  Removed ext folder.
  Added ext folder for plugins.
  Restructured cli a little.
  Added list of plugins to config.
Changes to plugin loading