Merge pull request #2106 from liorch88/optgroup-class-support

Added support for optgroup classes inheritance
Update chosen version in README
Merge pull request #2140 from ernsheong/master

Update chosen version in README
Passed the original option's value to the created option's EL as data-value
Added support for custom html as option text
Added always open mode for Chosen
Corrected option name
Added compiled files
Added compiled files
Updated compiled scripts after merge
Updated compiled scripts after merge
merged add-option-value
merged html pattern support
Merge branch 'release' of github.com:liorch88/chosen into release