Merge pull request #296 from glogiotatidis/788506

[fix bug 788506] Set BROWSERID_CREATE_USER to False.
[fix bug 761556] Fix close button on successful notifications
Merge pull request #297 from glogiotatidis/761556

[fix bug 761556] Fix close button on successful notifications
[fix bug 785010] Change wording.
Merge pull request #299 from akatsoulas/785010

[fix bug 785010] Change wording.
[fix bug 778138] Calculate attend event button text.
Merge pull request #300 from akatsoulas/778138

[fix bug 778138] Calculate attend event button text.
[fix bug 783964] Joined date is viewable by all authenticated users.
Merge pull request #301 from akatsoulas/783964

[fix bug 783964] Joined date is viewable by all users.
[fix bug 783979] Fixed delete button.
[fix bug 792364] Fixed edit and delete buttons on featured reps.
Merge pull request #303 from akatsoulas/783979

783979
[fix bug 815766] Fixed CSV button.
Merge pull request #302 from akatsoulas/815766

[fix bug 815766] Fixed CSV button.
Set SESSION_COOKIE_SECURE option to local.py-dist.
[fix bug 762418] Send email to Mentor when a Mentee adds/edits a report.
Merge pull request #306 from glogiotatidis/housekeeping

Set SESSION_COOKIE_SECURE option to local.py-dist.
Merge pull request #305 from akatsoulas/762418

[fix bug 762418] Send email to mentor when a Mentee adds/edits a report.
[fix bug 820822] Added 'dispatch_uid' to all django signals.
[fix bug 806801] Changed max number of characters in venue field to 150.