JOJ-9 Added landing page, changed about page to look different depending on whether you are currently logged in or not.
Merge remote-tracking branch 'remotes/origin/master' into JOJ-58
Merge remote-tracking branch 'remotes/origin/JOJ-25' into JOJ-56
JOJ-56: Remove time field from the extents page and fixed bugs relating to error messages
Merge remote-tracking branch 'remotes/origin/JOJ-25' into JOJ-58
JOJ-58: Added CHESS default parameters to new model_runs, unit test fixes.
Merge remote-tracking branches 'remotes/origin/JOJ-56' and 'remotes/origin/JOJ-58'
Merge remote-tracking branch 'origin/master'