Add option to administrator that show different help pages for each role of user#8

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sfai05 wants to merge 6 commits intomarkjaquith:masterfrom

stepcase:master

Commits on Apr 26, 2013

Show help pages depends on the user role

Chan Shing Fai
authored and
Chan Shing Fai
committed
Fix bug: admin cant read old posts / block direct link access
Chan Shing Fai
committed
Remove 'adminstrator' option to prevent error
Chan Shing Fai
committed
fix error if the role name contain space
Chan Shing Fai
committed

Commits on Jun 28, 2013

Fix php error
Chan Shing Fai
committed
add flag only if it is a help page
Chan Shing Fai
committed