.gitignore collectd-tg
fix .gitignore of lcc_features.h
statsd plugin: add TimerLower and TimerUpper options

The "lower" and "upper" names were chosen over "min" and "max"
to match the naming scheme used by the node.js implementation.
statsd plugin: add TimerSum option
statsd plugin: add TimerCount option

The "count" name was chosen over "num" to match the naming scheme
used by the node.js implementation.
Update clean.sh
Merge remote-tracking branch 'github/pr/404'
Merge remote-tracking branch 'github/master'