_s: Use comment_reply_link arguments to wrap reply link

Avoid empty div if no reply link
renaming overload to override. props emiluzelac.
also changing overload to override in comments.php & archive.php
Merge pull request #290 from BFTrick/rename-overload

Use 'override' instead of 'overload' to avoid confusion with overloading properties and methods in PHP.
_s: Update selectors to reflect the changes in 810e499. Fixes #288.
Optimized screenshot image - 93.8% savings
Comma fix in docs
minor code comment comma grammar fixes
First round of removing title attributes.
Fix merge conflict.
Second round of removing title attributes.
Merge pull request #291 from SnowDayGroup/image-optimization

_s: Optimize screenshot.png.
Merge pull request #292 from SnowDayGroup/docfixes

_s: Add comma in docs.
_s: Fix element for left arrow key code

Previous one was deprecated
Merge pull request #303 from thomasguillot/keyboard-image-navigation

_s: Fix element for left arrow key code.
Update small-menu reference in README

The old reference was to `js/small-menu.js` which no longer exists. Current file is `js/navigation.js`.
Merge pull request #305 from andrewspittle/master

_s: Update small-menu.js reference in README.
Simplify comment labeling in image.php

The image template is the only one to label "comments and trackbacks are open" "comments are closed but trackbacks are open" etc. ad nauseam. Few people are using those options any more, and it's a lot of clutter on a template that (if anything) should be simpler and cleaner than all the rest - we should delete all that and match the comment presentation to the way it's done in page.php and single.php
_s: Define initial-scale for a better mobile experience when changing
device orientation. Fixes: #285.
Merge pull request #293 from SnowDayGroup/code-comments-grammar

minor code comment comma grammar fixes