Merge pull request #52 from percona/release

Release v1.0.2
Merge pull request #55 from percona/release

Release v1.0.3
Merge pull request #56 from percona/release

Release v1.0.3 corrected
Merge pull request #58 from percona/release

Release v1.0.3 (installer hotfix)
Merge pull request #70 from percona/release

Merge release to master (1.0.4)
Merge pull request #71 from percona/release

More 1.0.4 changes
PCT-743: Update gocheck
Fix agent-build
Fix PCT-765: App says "Agent not connected" but agent is running.
Merge pull request #74 from percona/pct-765-agent-pong

Fix PCT-765: App says "Agent not connected" but agent is running
Bump agent.VERSION to 1.0.5.
Patch fix for PCT-765: keepalive time.Timer needs to be reset.
Remove some excessive debug statements.
Add a qan perf schema worker and interval iter.  Update factories to support both types, slowlog and perfschema.
checking connection inside loop
using locks for connection
Clean up debug statements.
Merge branch 'agent-tweaks' of github.com:percona/percona-agent into agent-tweaks

Conflicts:
	client/ws.go
Merge pull request #77 from percona/agent-tweaks

Remove some excessive debug statements
Merge branch 'release' into qan-pfs-worker