Change ctags execution params to support older versions
add support for specifying the binary to use to work around emacs 24 providing its own ctags binary
options must come before the path or they will be ignored
Merge pull request #14 from peterhoeg/master

Add support for specifying ctags binary
Allow overriding ctags arguments
Update tests
Merge remote-tracking branch 'pdf/arguments'
Add test for arguments option
Version bump
Update to guard 2.0
Fix add callback
support for setting the ctags binary via env variable when running the tests
support for excluding emacs temporary files from tags generation incl tests
Merge pull request #17 from peterhoeg/master

Ignore temporary files generated by emacs and support setting the ctags binary when running tests
Add custom logic for handling the Guardfile path
Add more related tests
Fix tests
Version bump
Use ruby 2.1.1 on travis
Add Rubinius compatibility