Updated redirect_to for compatibility with Django 1.5

From 1.3 Django introduced class-based views.  Function-based generic views have been deprecated in 1.5, and the function redirect_to no longer exists.

See: https://docs.djangoproject.com/en/1.4/topics/class-based-views/
Added python package dependencies - requests & django-piston
Merge pull request #19 from logworthy/patch-2

Added python package dependencies - requests & django-piston
Merge pull request #18 from logworthy/patch-1

Updated redirect_to for compatibility with Django 1.5
Fixed broken link to documentation.
Merge branch 'master' of https://github.com/jjmontesl/cubesviewer
Version 0.5.
Workaround for accordion folding when sorting.
Fixed rogue a href link to # not intercepted.
Added wiki notes for cubes and saved views.
Menu buttons now require click to activate.
Added tooltip to column names.
Added tooltips to values in Explore mode.
Added link to cubesviewer logo at the bottom of pages.
Added minor comment.
Increased default dimension width in series.
Improved table width handling.
Added column chooser, and preserve sort order and width.
Prevent loading views from reststore before model is loaded.
Minor changes to readme and added columns plugin to html GUI.