#13: reset logOffset to 0 on Http-Code 416 and retry the request
Add discovery of the log file url pattern on intialization and changed scheduling of the compaction metrics update (fix for issue #11).
Merge remote-tracking branch 'alexandre-normand/master' into topic/issue-11

Conflicts:
	app/models/LogFile.scala
Merge branch 'topic/issue-11' into next
Merge branch 'topic/issue-13' into next
add environment variable for logfile path pattern for vagrant.
update Compactions-Section of README file
#11 Add warn-message when Compaction initialization fails and stop updating compaction-metrics when that happens.
add README fixes by Ben
improve log-message when logfile-path-pattern is incorrect.