Exit ProcessInput plugin if ticker_interval = 0 and the process exits.
Typo
Fix a couple of very small doc typos
Merge pull request #1126 from mozilla-services/process_input_restart

Exit ProcessInput plugin if ticker_interval = 0 and the process exits.
Document that missing log_directory now causes an error.
Merge pull request #1132 from mozilla-services/doc_logstreamer_missing_dir

Document that missing log_directory now causes an error.
Bump version for 0.7.3 release.
Merge branch 'versions/0.7' into dev

Conflicts:
	CHANGES.txt
	CMakeLists.txt
	cmd/hekad/main.go
	docs/source/conf.py