Merge pull request #40 from An-dz/master

Update PT
updated version 2.3 changelog
new setting: fullscreen mode only for buttons
made components available independently
Czech translation update (thx @ahoj1234)
re-added missing external-interface-strings
new setting: fullscreen mode only for buttons
modern scroll 2.3 beta 1
modern scroll 2.3 beta 2
Update locales/cs/strings.js
Merge pull request #41 from ahoj1234/patch-9

Update locales/cs/strings.js
updated Czech translation (thx @ahoj1234)
modern scroll 2.3 beta 2
check buttons only @ end of scrolling
replace DOMNodeInserted & check at transitionend
updated version 2.3 changelogs
modern scroll 2.3 RC
update documentation URL
modern scroll 2.3 RC
Arabic update (thx netmain)