Made curl async and defaulted callbacks
append AboutScreenControl extension
update the readme of this extension
bug fix#1

fix barcode scanner would not read if there is a space in the text with
character conversion
Revert "bug fix#1"

This reverts commit 2a779285ea2cd2db9de49c95a78769bdef7d0c4a.
Revert "Revert "bug fix#1""

This reverts commit d5c9a32a21308851a1d898e0e6b810229229f6af.
Revert "Revert "Revert "bug fix#1"""

This reverts commit 27291eebfa06e0f34fef9062ae3c11a7b93d2423.
bug fix# 2

complete fix for space in string problem
Initial push for MP3 metadata extraction plugin
need to remove errors in file
Initial upload of MP3 metadata extraction
Initial uploading of MP3 metadata extraction
Update README.md
Replaced success and fail callbakcs to onDone
Create LICENSE 

append a license file according to official requierment
Update AboutScreenConfig.java
Update AboutScreenExtension.java
Update AboutScreenNamespace.java
Update Languages.java
Update ShowAboutScreen.java