Revert "remove CSS for #index-size until actually implemented"

This reverts commit c47c800de7c1b3dc00eac6424bce4a675ddcd35a.

Conflicts:
	src/General/css/style.css
Add `Image Size`.

Conflicts:
	CHANGELOG.md
	src/General/Build.coffee
	src/General/Config.coffee
	src/General/Index.coffee
	src/General/css/style.css
Ignore paste event when clipboardData.items is undefined.
Add keybind to cycle through index sort types.

Conflicts:
	CHANGELOG.md
	src/General/Config.coffee
	src/General/Index.coffee
	src/Miscellaneous/Keybinds.coffee
Change index sort keybind from Ctrl+x to Alt+x.
Add unique IP count to thread stats.
Release 4chan X v1.9.11.0.
README.md: Beta channel -> version
Build web page.
Make IP count in thread stats optional.
Release 4chan X v1.9.11.1.
Update IP count in original post form.
Release 4chan X v1.9.11.2.
Update to new 'There are ... posters' wording of original post form.
Release 4chan X v1.9.11.3.
README.md: Improve visibility of install links.
Build web page.
Revert "make match condition in copy:builds work cross-platform"

This reverts commit 74cff28c5351d255937920fdcab8af91df4673f8.
Revert "add beta/dev to userscript names so beta/developement versions can be installed alongside stable"

This reverts commit 047381bb5d6637c2e762c57d3aca53aa587a9b29.
Release 4chan X v1.9.11.4.