Updated scripts to allow for the use of the --receipts and --gitconfig flags
adds source folder for librarian-puppet git source cache
Use the boxen-git-credential for all repositories clones.

This is required since puppet run all the comands as root and the
credential config is only present on the user land.

The lack of this configuration is making clones using https to not
work since the credential is not present for the root.

Closes #286
Merge pull request #305 from rafaelfranca/rm-fix-repository-clone

Use the boxen-git-credential for all repositories clones.
Update line highlighting
Replace dashes by underscores in GitHub usernames
Add note about GitHub usernames with dashes in README
Merge pull request #310 from benja-M-1/master

Replace dashes by underscores when generating personal manifest
Set the global node version in the site manifest
Merge pull request #311 from smcnabb/master

Set the global node version in the site manifest
Revert "Merge pull request #311 from smcnabb/master"

This reverts commit 40de1e40f3e3c5d47d157c1f996a2a21f033a113, reversing
changes made to 206dee9965730738b0c6011e271950ebfa329d75.

Reason: This make harder to override the global version if it is
required for someone.

See https://github.com/boxen/our-boxen/pull/311#issuecomment-19719152
Merge pull request #251 from porvak/feature/fix-nuke-flags

nuke script not using receipts or gitconfig flags
Update puppet-inifile repo location
Update puppet-inifile location in readme
Merge pull request #303 from haelmy/master

Proposal to fix https://github.com/boxen/our-boxen/issues/266
Change nginx.conf.erb to silence warnings

server_name without '@' was causing deprecation warnings.
Merge pull request #327 from pcasaretto/silence-warnings

Change nginx.conf.erb to silence warnings
Changing nginx template to use try_files
Heavy handed removal of if block, this is not related to try_files addition
Merge pull request #331 from createdbypete/nginx/config-try-files

Changing nginx template to use try_files