add other_options to config
fix alignment
fix template & add readme record
fix template, change if not to unless
fix template update-exim4.con.con.erb

fix syntax error in template.
fix foodcritic alert
add Gemfile for rvm 1.9.2 in travis test
exclude Gemfile with foodcritic 4.0.0 for rvm 1.9.2 in travis test
Merge pull request #4 from cyberflow/other_options

Other options