Add touch events + corrections (IE8-...) + class prefix isolation + improvements

[aruben-c]

Hi, I made some corrections and improvements to your ColorPicker. You can see all of them in my GitHub repository.

Corrections:

• IE8- fail with 'new' in same instance
• mouseup event not fire on IE8-
• document can differ from window.document
• class prefix to isolate from higher class weight

Improvements:

• Add touch events "touchstart", "touchmove" and "touchend" to also support touch devices.
• class prefix to isolate from higher class weight
• namespace
• invalid hidden characters
• Better addStyleSheet function

Tests: Touch events successfully tested on a smartphone with Android 4.4.2 / Chrome 51. IE8- tests OK All others tested in IE8/11/Edge, Chrome, Firefox, Opera.

3 files are changed:

• colorPicker.js
• colorPicker.data.js
• colors.js

I also impacted into:

• index.html, color.all.min.js
• javascript_implementation\index.html , jsColor.js , jsColorPicker.min.js
• jQuery_implementation\index.html , jqColor.js , jQueryColorPicker.min.js

but, it's need to also change:

• colorPicker.js.map
• package.json (for the new version)
• perhaps also the web site page, README.md, info.txt (because touch events are now added and others improvements).

For touch events, the files "javascript_implementation/jsColor.js" and "jQuery_implementation/jqColor.js" don't need to be changed (despite they call the event "mousedown"). But I changed them for the namespace.

The namespace add a constraint: the variable "var CPNamespace = window;" (or "var CPNamespace;") needs to be defined before loading the files. (nb: the first parameter "window" of the functions can't be the namespace due to the use of "window.Math").

Thanks for this nice color picking widget. ARuben