Bump selenium-webdriver, implement aspect sorting cucumber step with …

Styling of mobile header consistant with desktop version

[Quickfix] Correcting BS3 regression on badge color + spelling mistake

Using Blueimp image gallery

Add 'Toggle mobile' item to menu + minor styling

closes #6354

test pods for connectivity

Beautify ignored people list and add diaspora handle for identification

6279 backport

closes #6279

Bump Rails to 4.2.4

* add a class for checking pod connectivity
* extend pod model to handle new functionality
* add an admin frontend to list pods and re-trigger checks manually
* add a daily worker to run through all the pods
* add unit tests for most of the new code

updating locales es-VE

closes #6315

Fix style regressions and code style for sidebar polishing PR

closes #6340

Left and right navbar polishing