adds float attribute generator
adds support for integer attribute type

+ fixes #36
adds attribute generator option to set the name of the getter method

+ fixes #37
bugfix: error code has changed, when there is not github repository configured
extends newrelic generator and sets up developer mode automatically

+ fixes #34
adds rake task "rake cms:console" to open the infopark console directly in the users browser

+ fixes #35
adds video obj class to the kickstart generator

+ also checks if the image obj class is set, which is not the case when the cms tenant was reset
+ fixes #40
fixed typo in the blog & blog_entry model
changed the search sidebar style
the facebook- and twitter-button of a blog entry are now on the same height
added the possibility to show different boxes in the entry preview
Merge branch 'develop' into feature/blog
* blog generator used now the methode_name-option of the attributes generator
* refactoring of the models
* added picture to the last blog entry of the exmaple migration