added transaction api
Merge branch 'master' of https://github.com/arangodb/arangodb-java-driver
first bacth of javadoc
some docu
Merge branch 'master' of https://github.com/arangodb/arangodb-java-driver
more apidocs
Merge branch 'master' of https://github.com/arangodb/arangodb-java-driver
more apidocs
some docu, signatures adjusted
Merge branch 'master' of https://github.com/arangodb/arangodb-java-driver

Conflicts:
	src/main/java/com/arangodb/ArangoDriver.java
Merge branch 'master' of https://github.com/arangodb/arangodb-java-driver

Conflicts:
	src/main/java/com/arangodb/ArangoDriver.java
some docu
stablized test
Merge branch 'master' of https://github.com/arangodb/arangodb-java-driver
more apidocs
some docu and some signatures changed
Merge branch 'master' of https://github.com/arangodb/arangodb-java-driver
added more apidoc
Merge branch 'master' of https://github.com/arangodb/arangodb-java-driver
added more apidoc