Update plugin: Anthologize

This should fix some errant jQuery UI popups; see #983
Ticket #979 - Change Group creation page markup per design

Exposing "Site Details" sub header on group creation page, step 1, for
project and club creation (it is already showing on courses)
Ticket #979 - Change Group creation page markup per design

Adjusting markup on Group creation page, step 1, to match design and
provide some extra classes for easier styling
Ticket #Change Group creation page markup per design

Styling updates related to markup changes for Group creation page, step 1.
Course member eportfolio list on group profiles

See #934
Whitespace
Use BP_Group_Member_Query for portfolio list

This makes alphabeticization possible

See #934
PHP 5.5 strict standards
Course member portfolio widget for WP blogs. See #935
Implement Random sort for eportfolio list widget. See #935
Ticket #979 - Change Group creation page markup per design

Added submenu item on each step of group creation that relates to that
speicifc step; this item is a non-linking menu item
Ticket #979 Change Group creation page markup per design

Styling for new submenu item that indicates step in group creation process
Adjust portfolio privacy settings. See #933
Portfolio list widget improvements:

- Add null "Choose a Portfolio" option
- Remove Go button for JS-enabled browsers, and replace with onchange redirect

See #935
Text changes in eportfolio list widget:

- Change 'Student ePortfolios' to 'Member Portfolios'
- Change 'ePortfolios' to 'Portfolios' throughout

See #935
Remove "number of links" option from portfolio list widget

See #935
Use <h5> instead of <h4> for Portfolio List Settings header

See #934
Add Request Access button to private portfolios. See #933
whitespace
Refactor directory filters to eliminate duplicated items

Instead of dynamically prepending the currently selected option to the
<select>, we now correctly use the "selected" attribute.

See #812