delete basicweb StringUtil
add AdminUtil
add defaultIfBlank method
update
Merge pull request #13 from FairyTail/admin-string-utility

Admin string utility
Merge pull request #14 from FairyTail/gretel-string-validator

update
Merge remote-tracking branch 'origin/master' into hansel-html-utility

Conflicts:
	src/com/tail/util/HTMLUtil.java