fix php sample
Merge pull request #65 from guilhermewop/master

fix php sample
Checking the file type
changing message(file type) to bad file
Update README.md

Resumable configuration.
Adding doc to 'fileType' and 'fileTypeErrorCallback'
Merge branch 'master' into feature-file-type
Merge pull request #66 from guilhermewop/feature-file-type

Feature which allow specific file type to upload
Add Component package manager support