Fixed a bug that caused fileTree to break after deletion.
Fixed css layout.
Added confirmation on file deletion.
Disabled save and delete buttons when appropriate.
Double clicks opens files instead of single click.
Merge branch 'master' of https://github.com/estebanroblesluna/abstractions
-Added save changes pop-up when changing open file.
-Changed default folder status to collapsed.
-Files and folders are now alphabetically sorted.
-Added folder selection, creation and deletion
-Added file/folder already exist check
-Fixed a lot of bugs.
-Heavy code refactoring in fileTree.js
Added bootstrap-confirmation.js which was left out in last commit.
Merge branch 'master' of https://github.com/estebanroblesluna/abstractions
Removed directories on snapshot zip.
Improved new file/folder popup