rebuild dist files

Merge pull request ColorlibHQ#2297 from REJack/v3-dev

rc.3 fix

Merge pull request ColorlibHQ#2256 from REJack/v3-dev

first changes after v3.0.0-rc.1

Merge pull request ColorlibHQ#2220 from REJack/v3-dev

further changes for v3.0.0-rc.1

prep version

prep version

prep version

Merge pull request ColorlibHQ#2189 from REJack/v3-dev

fixed placehold.it link

bump version

bump version