Initial add networking doc
Integrate blueprints graph API into Neo4JGraphDatabase
Restore 'impermanent' database for use in neo4j tests
Update to Neo4J version used by blueprints adapter
Get core tests passing with Blueprints graph access
Fix tests and extract BlueprintsGraphDatabase base class
Fix formatting for BlueprintsGraphDatabase
Reimplement ExportOp in a streamed fashion.

Instead of building an in-memory FeatureCollection to then be exported, use
guava's utilities to create a FeatureCollection that relies in a transforming
iterator that traverses the features in a RevTree and applied the operation
filters/transformations on the fly.
Count the NULL objectid as already transferred for the purposes of
fetching
Merge remote-tracking branch 'origin/pr/311'
Merge pull request #420 from dwins/http-clone-empty-repo

Count the NULL objectid as already transferred for the purposes of fetching
Minor fixes and changes to cli plumbing commands (blame and diff-tree)

Minor edit to documentation
added raw version to show command
Made diff-tree use plumbing DiffTree operation instead of DiffOp

Adapted functional tests for diff-tree
Fixed issues in show command
Merge remote-tracking branch 'dwins/blueprints'
Have a more informative error message in case ResolveGeogitDir can't list the contents of the current working dir
update continuous build server info in helping.rst
Merge pull request #419 from groldan/issue_85_export_oom

Reimplement ExportOp in a streamed fashion.
Avoid NPE if CTRL-D is pressed while running the console.
added logback/sl4j dependency