Use ScheduledExecutorService instead of Timer
Use TwitterDataFetchScheduler#establish for timeline etc. (issue #13)
UserInfoViewTab loads all tweets of reader account (issue #13)
Re-format and update checkstyle.xml
Fix not-deliverded-to-DirectMessageTab (issue #13)

VirtualMultipleMessageDispatcher catch RuntimeException
Sorry for illegal syntax in checkstyle.xml
Add test for TwitterDataFetchScheduler (fixes #13)
Fix bug UserInfo can't open
UserInfo shows user's icon
Merge branch 'turenar/twisched' into turenar/misc

Conflicts:
	elnetw-core/src/main/java/jp/syuriken/snsw/twclient/init/InitializeService.java
checkstyle, findbugs -> build