add wai-aria to elemento dropdown
add tests wai-aria to dropdown element
add documentation wai-aria to dropdown
fix in the documentation to ls-box-demo
fix to ariaDropdown and remove console.log
Merge pull request #1078 from antoniojunyor/3.2.0

Forgot password page and Buttons
Merge pull request #1081 from deividmarques/3.2.0

Add wai-aria to dropdown element
Applied correct color on fonts
Defined gray’s variables.
Added default gray color on background.
Migrating menu color to “color-theme” stylesheet and applied new color mix.
Defined new color variable on top bar menu in pre-panel.
Changed account-area’s button color and text color
Replace variables names and comments informations.
Fixed menu padding and align icons
Adjusted sidebar colors and top bar.
Improved sidebar colors
Fixed color names and adjust alert color mix
improved link in paragraphs and creat :hover
Replace variable names to more semantic names