upgrade spring security to 3.2.1
upgrade spring to 4.0.2
update changes
use redis server time
rename variable name
improve build for git
fix bugs for split string
fix bugs for split string
Merge branch 'master' of https://github.com/ironrhino/ironrhino.git
improve git revision
Merge branch 'master' of https://github.com/ironrhino/ironrhino.git
add option 'cacheNull' for @CheckCache