Travis: More flaky tests
Create background context for agent in main().
Move reparent agent actions to a separate file.

Also apply Golint suggestions.
Fix function that was renamed for Golint.
Core library and integration test framework.
Cleaned up some documentation.
Travis: Fix flaky tests

Make min rdonly instances configurable for vtworker tasks
Remove unnecessary tablets wherever possible
Use lower buffer pool size in MySQL to save memory
Track performance using New Relic
Merge pull request #271 from youtube/fix-flaky-tests

Travis: Fix flaky tests
Fix merge issue: remove duplicate skips
Merge pull request #270 from youtube/vtgate

Vtgate
Use SplitHostPort to handle hosts with colons.
Use JoinHostPort to handle hosts with colons.
Avoid divide-by-zero and fix units in cgzip_test.
Document the meaning of the context passed into NewActionAgent.
Merge pull request #273 from youtube/cgzip_test

Avoid divide-by-zero and fix units in cgzip_test.
Merge pull request #272 from youtube/split-host-port

Handle hosts with colons (IPv6)
Merge pull request #267 from youtube/fast-external-reparent

Cleaning up tabletmanager RPCAgent.
Core library and integration test framework.
Cleaned up some documentation.
Fixes from code review, other minor changes.