Separated notification spec into green and red classes
Changed font size for menu items
Added add_subject page

Allows admin to add a participant to a given timeslot
Reverse list of experiments

so that open and closed experiments are listed with the most recent at
the top
Changed wording
Changed wording
Added menu item icons
Added admin icons for view page
Display notification with green or red background colour

depending on whether the notification is positive or negative
Updated generateMenu() to use icons
Return None if no calendar has been set
Centre align experiment name
Generate and show a bar chart showing progress

Shows a bar chart at the top of the view page, showing various stats
such as how many participants have been completed and how many slots
are still free.
Added email image
Added space between left and right columns
Added space at the bottom of body <div>
Only show option if multiperson experiment
Merged change details and change password
Added edit_calendar script

for removing dates and times from the calendar
Fixed typo

and adjusted wording or warning message