Merge branch 'master' of https://github.com/danialfarid/angular-file-…

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fixed danialfarid#284

fixed danialfarid#281

fixed danialfarid#276 danialfarid#277

Merge branch 'master' of https://github.com/danialfarid/angular-file-…

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fixed CORS and some CSS issues

Fixed danialfarid#264

added description for ng-file-drag-over-class

added shim-bower

Merge branch 'master' of https://github.com/danialfarid/angular-file-…

…upload