Unify jQuery version dependencies.
Add help text for wheelPropagation option.
Add ps-active-* class on container then scrollbar is active
Update README.md

The container must have the properties height and overflow.
add maxScrollbarLength
Merge pull request #173 from jlcarvalho/patch-1

Update README.md.
Merge pull request #159 from sarunas/master

Add ps-visible class on container then scrollbar is active.
Consider border of scrollbar rails.

Fixes #176 https://github.com/noraesae/perfect-scrollbar/issues/176
Keydown now checks if the event was preventDefault()'ed.
Merge pull request #174 from ivan1986/patch-1

add maxScrollbarLength.
Add 'maxScrollbarLength' option in README.md
Release 0.4.11.

1. Add active- class when scrolls are active
2. Add maxScrollbarLength option
3. Bug fixes
Merge pull request #1 from noraesae/master

Pulling scrollbar updates from GitHub/noraesae