upping catch_up_to_master timeout to 3 hours
Merge pull request #1 in TUM/jetpants from up_clone_timeout to master

* commit 'dc9dc8c1c25a4d08422f2c5347f10a383aa37818':
  upping catch_up_to_master timeout to 3 hours
Adding rough cut merge helper
Add functionality and housekeep internal state
Add code around probing aggregate node states
Move aggregator to its own class and modify calling structure
First cut at aggregator automation code
Flesh out slave cloning and move aggregator? method to base db class
Tweak aggregation workflow
Change implementation to use export/import for the master of the new shard
Adding sanity check in aggregator class constructor
Move monkeypatches into lib/ and fix misc syntax errors
Change aggregation flag check logic
Add better support for probing aggregate status
Remove debug code
More cleanup of error checking and instantiation
Remove unnecessary assignment
Add logic to export and ship schemata
Asynchronously export shard data and add convenience method for shipping schema
Add placeholders to rest of workflow