added synched wrapper for DataAccess in order to provide a possibility of a thread safe MMapDA
added missing DAType.toString
dataAccessType: more consistent naming (in config + toString); implemented equals; now reading if sync DA
Merge remote-tracking branch 'origin/master'

Conflicts:
	core/src/main/java/com/graphhopper/GraphHopper.java
added release script which creates zip for binaries
adding jgitflow plugin for a better release cycle
more git commands for release script
fixing the subnetwork problem partially for single vehicles #86
readme changes
mailing list fix
updated web and android readmes
one more readme update
do not log soo much when downloading
using own server has maps host
Merge remote-tracking branch 'origin/master'