update rate and detail logic
modify course table url
support activity partition
improve prompt msg
move attendance to app
provide new servlet bind
profile synctime servlet
add old ur;
add sign data cache service
add day sign cache
revert attendance
remove test code
remove log
add holiday support and fix web initializer
ready release 0.0.2
Merge branch 'release/0.0.2'

Conflicts:
	attendance/src/main/webapp/WEB-INF/web.xml