Fixing the fix
Merge pull request #169 from fh/t/pip-fix-again

Fixing the fix
Fix: trailing whitespace
Fix: opsworks replaces "-" with "_"

cc @naderman
Fix: upgrade pip only if we're not upgraded

Related: easybib/issues#508

Problem: If you ran provision on a box which was already running,
the pip upgrade failed because of setuptools and a missing option
switch.
Fix: use Mixlib::ShellOut for FC048
Merge pull request #170 from till/fix/pip-install-on-provision

Fix: upgrade pip only if we're not upgraded
Fix: add php-mysqli::configure for cronjob
Bugfix: set correct permissions on mysqli-settings.ini

cc @naderman

Related: easybib/issues#530
Merge pull request #171 from till/fix/mysqli-settings

Bugfix: set correct permissions on mysqli-settings.ini
Enhancement: add realpath
Merge branch 'master' into t/researchapp
pointed to correct data location