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

…upload

Update README.md

fixed danialfarid#171

cleanup lib

fixed danialfarid#152

fixed progress end for ie8

Update CHANGELOG.md

Fixed danialfarid#109 angular 1.2.8 shim success callback

Update CHANGELOG.md

fixed danialfarid#90