Only reserve ids in reltype store, no other token store

since they just weren't built for it.
Merge branch '1.9-maint' into 2.0-maint
Merge branch '2.0-maint' into 2.1-maint
Merge branch '2.1-maint'

Conflicts:
	community/kernel/src/main/java/org/neo4j/kernel/impl/store/TokenStore.java