Merge pull request #76 from RenchuSong/master

group member remove bug fix
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Merge branch 'master' into Rays
seperate framework files and application files with different directories
file path,app path
file path
gitignore
file patt...
remove cache files
doc
Merge branch 'Rays'
update database SQL
remove useless .htaccess files
update image helper, delete ajax helper from framework
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