Merge pull request #172 from koekie/master

fixes issues with direct_to_render being obsolete and "new" style url tags
Serving files only from public_html folder now. This requires the line
COMIC_PUBLIC_FOLDER_NAME = "public_html" to your .conf file
Removed Comic main portal link from menu bar, removed link from 'COMIC:' in footer
now displaying messages in base template, added 'file' uploaded message to file upload page
added email sending for new uploads
Merge branches 'move_cause07' and 'master'
updated readme to require django 1.5 or newer
Removing django admin from to of installed apps as it was overwriting custom admin template
added CACHE ROOT to store rendered graphs
first working version of {% insert_graph filename %}. Needs refactoring
fixed weird bug with ever growing figures: adde pyplot.close()
split visualisation node to render viewer of workstation based on input parameter
now loading comicWorkstation js when comicWorkstation:1 is added to template tag. JS is not working yet
added support for multiple imput file formats
small fix to error message
small bugfix
Fixed threading bug in combination django/pyplotlib. Now using matplotlib directly to get rid of threading issues. Code is basically working but not refactored yet
Cleaned up the code, worked around threading bug in pyplot/djano
add context url parameters (?var1=value) to context to be able to render them in template using {{var1}}
Merge branches 'Add_MatPlotLib_graphs' and 'master'