Updates to latest Arcavias core
Adapts to changed JS/CSS/image paths
Adds option to create demo data during installation/update
Implements catalog session plugin
Improves parameter handling for sites in scheduler task
Removes autoloading for files that are automatically found by Extbase
Moves CSS/JS/images to "classic" subdirectory like in the Arcavias Core
Adds German translation for description
Fixes tests and adds test for catalog session action
Fixes catalog session test
Uses custom composer file and phing installed via composer

The custom composer file prevents problems with TYPO3 6.2 which uses an incomplete composer setup itself
Using phing via composer simplifies travis-ci test builds
Uses custom composer file for travis-ci
Uses phing installed by composer for travis-ci
Adapts RealUrl rules to changed URL parameter names
Makes travis builds more robust against composer failures
Updates to latest Arcavias Core
Merge pull request #140 from nsendetzky/master

Updates to latest Arcavias Core and adapts to changes