New feature: Added a progressbar while viewing presentations
little change on the progress bar
New feature: support for dual-screen, now when you're presenting with a proyector, you can press 'p' key and it will open a new window where you can see the previous and next slide. Also you can see the helping notes for each slide
Vendor libraries now load from CDN to improve
little bug fixed
download support
New feature: now you can download your presentations and view Offline
fixed a bug when downloading presentations
fixed bug on importing presentations
bug fixed
fixed bug with image size, changed from percentage to pixels
Font size now is measured as 'px' instead of 'em'. Added a font size dropdown list
bug fixed
Added an image resizer
Fixed bug with video components
Video component fixed
Delete Yuidoc (it's not neccesary)
Merged master from dev
Merged master from dev (fixed bug in view.html)