Update cordova.android.js to 3.5.1 and add .abignore file.
Merge pull request #17 from Icenium/zbranzov-update-cordova

Update cordova.android.js to 3.5.1 and add .abignore file.
Fix Android copying pdf file to public folder and then load it

Fixes #258551
http://teampulse.telerik.com/view#item/258551

tested on Nexus5 and iPhone5
Latest fix from gospodinov/fixExtractPdf