Bugfix for closing colorPicker

fixes closing colorPicker when touching UI

New positionCallback

Added new callback to customary position the colorPicker on toggle.

Support for multiple instances

• Multiple instances based on jQuery instances
• Backwards compatible (no changes in API)
• Options now have to be set on every instantiation.
• Option opacity is now toggled automatically.

Hotfix slider dimensions

fixed xy / z_slider mixup in preRender

Minor fixes

• Toggle off fix. No further render events when clicking on document, when cp is closed.
• Extra z_slider height measurement.
• renaming of jQuery event name-space (from '.a' to '.tcp')
• minor optimizations

new method toString / optimization

Added method ‚toString‘ to colors.js; Converts color to HTML-string
with auto or forced alpha. Some minor optimizations.

bower update

1.0.3

Update bower.json