enable the ruby concat script on Solaris

Per discussion on #174, Solaris 10 does not support the find/xargs
switches that were introduced in that PR (but Solaris 11 does).

+ add a shebang to concatfragments.rb
+ fix linter warnings/errors
Merge pull request #186 from jhoblitt/feature/rb_concat_solaris

enable the ruby concat script on Solaris
Validate the concat::fragment order parameter as string||integer

This is to work around a validation issue that arises under the 3.x future
parser, as proper numeric types have been introduced (ie, not all scalar values
are strings).  Users have come to expect to to be able to pass in unquoted
integer values to the order parameter which will fail to validate as a string
when the future parser is enabled.
raise the "low bar" travis puppet version to 2.7.6

It appears that puppet 2.7.3 does not play nicely with stdlib 4.2.0.
add .vagrant to .gitignore
Merge pull request #185 from jhoblitt/feature/fragment_order_validation

Validate the concat::fragment order parameter as string||integer
Add quotes to the ruby script location

Without this patch, if the ruby script is located in a path with
spaces, it will not work.
small typo: missing losing '
Merge pull request #198 from igalic/patch-1

small typo: missing closing '
Add configuration file for modulesync

https://github.com/puppetlabs/modulesync
Sync files
Merge pull request #200 from cmurphy/master

Start synchronizing module files
Update .sync.yml to support new .travis.yml configs
Synchronize .travis.yml
Merge pull request #197 from luisfdez/bug/quotes

Add quotes to the ruby script location
Update Gemfile for .travis.yml defaults
Merge pull request #202 from cmurphy/master

Synchronize .travis.yml