Fixed the loadNode method to work asynchronously and not clobber its own node when two load synchronously.
Merge branch 'master' of github.com:AllPlayers/allplayers.js into sid-37604937
[#41907633] Do not cache the group tree structure.
[#41907633] Fixed the line height for the treeselect control.
[#41907633] Added a manual group search mechanism that allows you to search within a group.
[#41907633] Added search when they press Enter.
[#41907633] Removed the search symbol and moving the busy cursor down in the input field.
Merge pull request #18 from travist/sid-41907633

[#41907633] Fixed the treeselect control to not cache the group tree and also provide a protection asynchronous loading issues.