fix bug not parsing online logs
update araqne-logstorage version
fix parsing bug when square-bracket is nested
fixed Average.merge() can cause NPE when it called right after clean()
fixed to remove white space, invalid date format, line index. added LastPositionHelper test.
Merge branch 'master' of github.com:araqne/logdb
implemented araqne/issue#203

round, floor, ceil
implement araqne/issue#210
added epoch function
fixed real compare bug and implemented date comparison
fixed #278
generallized round, ceil, floor function

modified logdb version to 1.9.5
added squared bracket handling in ExpressionParser
dependency versions updated
Merge branch 'master' gradually

Conflicts:
	araqne-logdb/pom.xml
	araqne-logstorage/pom.xml
Merge branch 'master' gradually

Conflicts:
	araqne-logdb/pom.xml
	araqne-logstorage/pom.xml
Merge branch 'master' gradually

Conflicts:
	araqne-logdb-geoip/pom.xml
	araqne-logdb/pom.xml
fix araqne-logdb-jython build