fix the condition for creating the foreman_upstart_path
Merge pull request #16 from glaszig/patch-1

fix the condition for creating the foreman_upstart_path
add foreman_command option

this adds a :foreman_command option to allow for customization of the
command used to run foreman
Merge pull request #18 from glaszig/foreman_command

add foreman_command option
Updated company name and renamed file.
Rewrite for Capistrano v3
Update capistrano dependency to 3.1
update README and .gitignore
configurable export format
renamed foreman_upstart_path to foreman_export_path
Add example to README