Fixes #4769: purge cf_lock tokyocabinet database if bigger than 10 Mo
Merge pull request #317 from ncharles/bug_4769/dev/purge_cf_lock_if_bigger_than_10_mo

Fixes #4769: purge cf_lock tokyocabinet database if bigger than 10 Mo
Merge branch 'branches/rudder/2.9' into branches/rudder/2.10

Conflicts:
	rudder-agent/SOURCES/check-rudder-agent