Guard getInstants() against dates where startTime is after endTime.

Without this, the method would return an empty list in this case.
Merge pull request #1 from jotomo/guard

Guard getInstants() against dates where startTime is after endTime.
upgrade to Neo4j 2.1.3 and Framework 2.1.3.10
[maven-release-plugin] prepare release timetree-2.1.3.10.11
[maven-release-plugin] prepare for next development iteration
Merge branch 'master' into events

Conflicts:
	src/main/java/com/graphaware/module/timetree/SingleTimeTree.java
	src/test/java/com/graphaware/module/timetree/SingleTimeTreeTest.java