#2532775 - Fixed issue where disabled buttons were still enabled
4 new Button tests and general cleanup
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#2532972 - Added hidden style for button
Button test for show/hide
Build cssbutton
Added documentation for non-standard implementation
Fix #2533073
Tweaked buttons tests and modules to get 100% coverage
Tweaked Button units tests.
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Charts build files for trac2533073
Added commentary for a button unit test
Added to to ensure Graph and Graphic have the same dimensions.
Merge branch 'button-hide' into merge_button
Merge branch 'button100' into merge_button
Resolved merge
Lint cleanup
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Merge branch 'trac2533073' into dev-3.x

Merge trac2533073 into dev-3x.