added support for input split size the size of the transaction. ensures robust bulk loading.
merged transactional scope is equivalent to task size. Thus, bulk loading to Titan is robust to Hadoop task failures. Fixes #84
incremental loading now supported via BlueprintsGraphOutputMapReduce. Fixes #78
updated properties files to be more realisting on number of tasks for bulk writing examples.
If users sets mapred.jar, then that is the jar used in the Faunus job -- Fixes #130