allow for a Gemfile.local

you can put your `gem 'katello_api', :path => '../katello_api'` lines in
here
Fixup comment so that end statment reflects do
paging-results - system group command
Merge pull request #5 from thomasmckay/paging-results

paging-results - system group command
Merge pull request #8 from mkelley33/fixup-comment

Fixup comment so that end statment reflects do
Merge pull request #7 from komidore64/gemfile-local

allow for a Gemfile.local
fixing ping command help text
Merge pull request #10 from komidore64/help-text-fix

fixing ping command help text