Closes #189

Inconsistency between media queries and qa_is_mobile_probably()

Added horizontal lines in Snow theme and increased spacing in
Classic/Candy themes to help distinguish between each plugin and its
options.

Add styles for cancel button on wide form.
Add styles for ‘saverecalc’ button.

Shrink user avatar height and prevent overlapping (fixes #170).
Add hidden and flagged styles (fixes #168).
Add label to Login icon.
Move a function back into qa-theme.php.

Remove capitalization and style sections in custom pages.

From PRs by @pupi1985 (unmergeable due to file structure changes).
Closes #69.
Closes #126.

Make view count centered.
Remove unused CSS.
Increase qa-q-item-main width to fill space.

Allowed glob() to sort results

Fixes #114