update and add gems
add rakefile
removing thorfile
add test-kitchen entries to chefignore
add bundler entries to chefignore
make mongod config file more configurable

adds config_template and config_cookbook parameters for controling
which template and cookbook to source from when compiling the mongod
config file.
add url parameter to mongodb_release
remove version parameter, use resource name instead
merge mongod suites
removing TODO
rename service templates, pass full exe path
fix recipe name in test recipe header
include runit in resource and remove default recipe
replace useless load_current_resource with a comment
add a line about examples in README
add contributing doc
bump to 0.2.0