Match version on webstore
Revert "Match version on webstore"

This reverts commit 6d4d2fdec0291f1ddfc72878d8d54851e0101dbd.
Merge remote-tracking branch 'upstream/master'
Added build script for Chrome WebStore
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into 6-build-script
Added error callbacks for exec()
Merge pull request #17 from dinhviethoa/6-build-script

Added a build script for Chrome WebStore (fixed #6).