added CSS reset for figure element, closes #263, thanks to @sebslomski
Fix repository url
Merge pull request #285 from nschonni/patch-1

Fix repository url
Update README.md
Added an additional check if image has size or not, ignoring the browser cache
Update README.md
Update README.md
Update README.md
Add IE7,IE8-specific CSS property 'filter:alpha(opacity=...)' as a substitution for CSS-compliant 'opacity:...' property
Merge pull request #301 from dmitryvk/master

Add filter:alpha(opacity) for better IE7 and IE8 compatibility
Change comment type to prevent empty CSS selector

Sass will emit an empty CSS selector when an orphan rule contains a `/* */` comment block
Merge pull request #303 from nschonni/patch-1

Change comment type to prevent empty CSS selector
added prependTo option that allows to define the container to which popup is added, by default it's body.
docs upd & build
fix: body element is null when popup is initialized outside of it, closes #305
a bit increased default opacity of arrows
docs upd
readme upd
typo in docs
docs upd