adds src install option for debian systems
adds monit package version option

allows users to choose their package version assuming they have multiple sources
configured that offer different versions
renames _install_source recipe

removed underscore prefix
changes mode values to strings

instead of using numeric objects
adds basic files for test-kitchen support

adding default and source test suite configs
leverages existing monitrc template for source install

instead of installing a stock monitrc that cannot be edited
oops, removes vim tmp file from version control
adds server specs for source install

high-level checks that assert a source install. i suspect that chefspec should
really be used to test recipe permutations
forgot to enable the service

similar to the default recipe behavior
update gems
configuration updates for latest rubocop
rubocop style cleanup
add `node["monit"]["init_opts"]` attribute
cleanup `install_source` recipe:

* rubocop style fixes
* better support for redhat-derivatives
* share more logic with the `default` recipe
improve `test-kitchen` support:

* more test coverage for default and source 
  installation recipes
* initial support for redhat-derivatives
update attributes in README
add contribution from @drywheat to the README
Merge pull request #45 from phlipper/add-install-options

Add source installation option

closes #40