fixed #46
fixed #50
additional allowed and restricted ways
some refactoring of property analysis methods
merged pr #51
added bike unit and integration test
merged #51
Merge remote-tracking branch 'upstream/master'

Conflicts:
	core/src/main/java/com/graphhopper/reader/OSMReaderHelper.java
	core/src/main/java/com/graphhopper/reader/OSMReaderHelperDoubleParse.java
	core/src/main/java/com/graphhopper/routing/util/AbstractFlagEncoder.java