Sort hosts in name order before displaying.
Use + instead of ADDNAN for addition, since it breaks current total and average.
Update documentation a little.
Merge remote-tracking branch 'upstream/master'
Implement autocomplete for metrics picker (needs to be sped up).
Clean up HTML, etc.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	stacked.php
Add check_metric_regex, for regex checking of both hosts and metrics, aggregate graphs style.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	header.php
Merge pull request #164 from pcpiela/master

Fixed issue with inspecting stacked graphs that have missing data
Fix percentage and scaled metric totals (and display) for line graphs.
Make picker autocomplete configurable.
Merge branch 'master' of git://github.com/jbuchbinder/ganglia-web into jbuchbinder-master

Conflicts:
	conf_default.php.in
Remove duplicate header pieces.
Attempt to implement modular event caching, including PECL memcached based caching.
Correct issues causing driver to crash.
Consistent hashing/distribution, fix formatting.
Add "warmup cache" script for ganglia metrics cache so that it can be cron'd.
Merge pull request #166 from jbuchbinder/master

Support pluggable metric caching.
Fix memcache caching to expire properly.