Fixed several bugs

- Resize bug on the bottom panel
- Click on the resizer when panels defined in % were resizing a few
pixels
- Round up px calcualtedions to int
- Added ability to load into CSS panel
Fixed w2utils.age function for date not to include fractions
Fixed predefined render functions
Recompiled JS
Finished copy/paste from/to spreasheet or any other text editor
Improved selection with shift key
Updated CodeMirror in docs and demos
Moved KickStart into this repository
Recompiled JS
Re-oranged directory structure
Improoved shift key multi select
Improved selectType = 'cell'