Fix fontawesome4 less and some imperfection of #1119#1212

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ttskch wants to merge 2 commits intophiamo:masterfrom

ttskch:fix-fontawesome4-less

Commits on Mar 6, 2017

Remove unnecessary file, spinning.less, from fontawesome
Takashi Kanemoto
committed
Copy animated.less from fontawesome to fontawesome4 and import it instead of non-existent spinning.less
Takashi Kanemoto
committed