addin hints controller and its view
Adding validations for the hint model
modifying hintsCntroller
modify hint controller wen show view and add the route
method documentation
modify controller hint
 modify route
#212 , adjust identation and documentation
#212 adjust idenetation
adjust identation again
#212 check if the current user is not student
#212 remove line
resolve conflicts in routes
#212 ajust braces
Issue #193 Fixed bugs
Merge branch 'master' of https://github.com/alaashafaee/Coolsoft-14 into CX_Khaled_193_view_variables_3.7
Issue #367 Fixing bugs in layout and viewing variables
Issue #367 Deleted debug printings
Issue #367 Fixed conflicts
Issue #367 Added Gemfile.lock