Modify gitignore file and extend the travis build commands and
options

Signed-off-by: Markus Rekkenbeil <markus@bionix-it.de>
Disable email notifications for travis ci builds

Signed-off-by: Markus Rekkenbeil <markus@bionix-it.de>
Remove travis tests for puppet versions older than puppet 3.x

Signed-off-by: Markus Rekkenbeil <markus@bionix-it.de>

Update travis build matrix for ruby version 2 supported puppet
version tests

Signed-off-by: Markus Rekkenbeil <markus@bionix-it.de>
Merge branch 'master' of github.com:bionix/puppet-raidtool