anfängliche implementation des importers von json
added composer install command to build.xml
node links import
Merge branch 'master' of github.com:hauptsacheNet/Freifunk-Stats into statisticBundle
Merge branch 'statisticBundle' of github.com:hauptsacheNet/Freifunk-Stats into statisticBundle

Conflicts:
	src/Freifunk/StatisticBundle/Entity/NodeRepository.php