fix reversed hide/unhide basic icons
remove rounding from other corners
fix typo

0.3125em instead of 0.325em
Fixes #712, Modal uses RequestAnimationFrame without doing browser normalization on the event
Fixes #694 A dropdown with numeric content for data-text causes an error on toLowerCase
Dropdown: Adds strict type checking as an option for form selection, allowing for better handling of data-value=0, value='' and other ambiguous values
Fixes #711 selection dropdown does not match input height. Also adds stricter dropdown error css selectors
Fixes #542, use sibling selector instead of adjacent sibling on checkbox rules
Form: Fixes input, dropdown, form field to have consistent sizes and 1em font
Updates docs with examples of dropdown validation, fixes input in menu docs
Fixes #662 inverted icon rendering in OSX
Fixes #336 iOS doesn't render:active classes
Fixes #704, Fixes #421. onShow, onHide callback moved to before transition starts, added new callbacks onVisible and noHidden for after animation completes
Fixes #681, multi line steps, adds two line variation for vertical steps. Fixes all steps to use transform rotote  arrows instead of border arrows for consistency
Merge branch 'css' of https://github.com/MohammadYounes/Semantic-UI

Conflicts:
	src/elements/input.less
Builds version 0.15.0 and updates version number
Updates package.json to hopefully clear up dependency issues on CI
Merge branch 'master' of github.com:Semantic-Org/Semantic-UI into css

Conflicts:
	RELEASE NOTES.md
	build/less/collections/table.less
	build/less/elements/basic.icon.less
	build/less/elements/icon.less
	build/less/elements/reveal.less
	build/less/elements/step.less
	build/less/modules/checkbox.less
	build/less/modules/dropdown.js
	build/less/modules/dropdown.less
	build/less/modules/sidebar.less
	build/minified/collections/breadcrumb.min.css
	build/minified/collections/form.min.css
	build/minified/collections/grid.min.css
	build/minified/collections/menu.min.css
	build/minified/collections/message.min.css
	build/minified/collections/table.min.css
	build/minified/elements/basic.icon.min.css
	build/minified/elements/button.min.css
	build/minified/elements/divider.min.css
	build/minified/elements/header.min.css
	build/minified/elements/icon.min.css
	build/minified/elements/image.min.css
	build/minified/elements/input.min.css
	build/minified/elements/label.min.css
	build/minified/elements/loader.min.css
	build/minified/elements/progress.min.css
	build/minified/elements/reveal.min.css
	build/minified/elements/segment.min.css
	build/minified/elements/step.min.css
	build/minified/modules/accordion.min.css
	build/minified/modules/behavior/form.min.js
	build/minified/modules/chatroom.min.css
	build/minified/modules/checkbox.min.css
	build/minified/modules/dimmer.min.css
	build/minified/modules/dropdown.min.css
	build/minified/modules/dropdown.min.js
	build/minified/modules/modal.min.css
	build/minified/modules/modal.min.js
	build/minified/modules/nag.min.css
	build/minified/modules/popup.min.css
	build/minified/modules/rating.min.css
	build/minified/modules/search.min.css
	build/minified/modules/shape.min.css
	build/minified/modules/sidebar.min.css
	build/minified/modules/tab.min.css
	build/minified/modules/transition.min.css
	build/minified/modules/video.min.css
	build/minified/views/comment.min.css
	build/minified/views/feed.min.css
	build/minified/views/item.min.css
	build/minified/views/list.min.css
	build/minified/views/statistic.min.css
	build/packaged/css/semantic.css
	build/packaged/css/semantic.min.css
	build/packaged/javascript/semantic.js
	build/packaged/javascript/semantic.min.js
	build/uncompressed/collections/form.css
	build/uncompressed/collections/menu.css
	build/uncompressed/collections/table.css
	build/uncompressed/elements/icon.css
	build/uncompressed/elements/input.css
	build/uncompressed/elements/reveal.css
	build/uncompressed/elements/step.css
	build/uncompressed/modules/behavior/form.js
	build/uncompressed/modules/checkbox.css
	build/uncompressed/modules/dropdown.css
	build/uncompressed/modules/dropdown.js
	build/uncompressed/modules/modal.js
	build/uncompressed/modules/sidebar.css
	rtl/less/collections/menu.less
	rtl/less/collections/table.less
	rtl/less/elements/basic.icon.less
	rtl/less/elements/icon.less
	rtl/less/elements/reveal.less
	rtl/less/modules/behavior/form.js
	rtl/less/modules/checkbox.less
	rtl/less/modules/modal.js
	rtl/less/modules/sidebar.less
	rtl/minified/collections/breadcrumb.min.css
	rtl/minified/modules/dropdown.min.js
	rtl/uncompressed/collections/menu.css
	rtl/uncompressed/collections/table.css
	rtl/uncompressed/elements/basic.icon.css
	rtl/uncompressed/elements/icon.css
	rtl/uncompressed/elements/reveal.css
	rtl/uncompressed/modules/checkbox.css
	rtl/uncompressed/modules/dropdown.js
	rtl/uncompressed/modules/modal.js
	rtl/uncompressed/modules/sidebar.css
	server/documents/hotfix.html.eco
	server/documents/index.html.eco
	server/files/javascript/validate-form.js
	src/collections/form.less
	src/collections/menu.less
	src/definitions/collections/form.less
	src/definitions/collections/menu.less
	src/definitions/elements/input.less
	src/definitions/elements/step.less
	src/definitions/modules/checkbox.less
	src/definitions/modules/dropdown.less
	src/elements/input.less
	src/modules/behavior/form.js
	src/modules/dropdown.js
	src/modules/modal.js
	src/themes/packages/default/elements/icon.overrides