fixed danialfarid#460 and ng-model update issue

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

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

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fixed danialfarid#500

Fixed danialfarid#456 danialfarid#451 danialfarid#467

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

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

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

…upload

Fixed danialfarid#433, danialfarid#12, danialfarid#434

Fixed version number