Replaced shebangs with /usr/bin/env call

This way the environment can decide which interpreter got to be used. It's absolutly usefull if we try out other ruby versions or to use another path for the ruby binary.
Removed locale_additions functionality

As the i18n content is now always stored within the localization files we don't need the locale_additions anymore. And of course we don't need this extraction methods either.
Fedora epel depo adress is fixed.
Merge pull request #2040 from BATYD-Turksat/master

Fedora epel depo adress is fixed.
Removed chef from Gemfile

I have removed chef from the global Gemfile as it is not used here anymore
and it just conflicts with locally installed chef versions so that Guard
is not usable on the workstation.
Removed knife tools and foodcritic

As foodcritic is not used here we can simply remove the
overhead, the same for the knife tools.
Set less strict gem version constraints

We don't need to set too strict version constraints here,
newer versions of the development gems are totally ok.
Set a minimal version for pry-debugger
Replaced quotes in a unified manner
Merge pull request #2038 from tboerger/feature/gemfile-cleanup

Removed chef from Gemfile
fix ruby syntax
Use correct command line

Use the correct command line instead a shortcut that will be removed in
a future version within another commit
Added copyright to generated navigation
Added single link for primary menu entries
Add crowbar-applied attribute in barclamp_install

Whenever an unknown barclamp is installed, check whether it has the
crowbar-applied attribute in the schema and add it if not.

This will catch barclamps from other sources.
Merge pull request #2042 from SUSE-Cloud/master

fix ruby syntax
Merge pull request #2044 from bkutil/add_crowbar_applied

Add crowbar-applied attribute in barclamp_install
Merge pull request #2035 from tboerger/feature/cleanup

Cleanup backported from rails4 branch
Removed outdated releases

Just to cleanup the old stuff i have created the tag
https://github.com/crowbar/crowbar/tree/backup/releases-before-2014/releases
to preserve the old releases but i removed the following releases
directories for now:

* betty
* elefante
* essex-hack
* feature
* fledermaus
* hadoop-1.0
* mesa-1.6.1
* mesa-1.6
* mesa-1.7
* rails3anddb
* v1.2-openstack-dell
* v1.2-openstack
* v1.2-rc2-openstack
* v1.2
* v1.3-openstack-dell
* v1.3-openstack
* v1.4-crowbar
* v1.5-openstack-dell
* v1.5-openstack
* v1.5.1-openstack-dell
* v1.5.1-openstack
* v2.0-hadoop-dell
* v2.0-hadoop
* v2.1-hadoop-dell
* v2.1-hadoop
* v2.1.1-hadoop-dell
* v2.2.0-hadoop-dell
* v2.2.0-hadoop
stoney: Install trove and tempest barclamps if available