Add gitignore

Add Netbeans files to gitignore

Revert "Add Netbeans files to gitignore"

This reverts commit c33e59639200b1ae0967238617166037e35244a8.

Add gitignore

Add Netbeans files to gitignore

Revert "Add Netbeans files to gitignore"

This reverts commit c33e59639200b1ae0967238617166037e35244a8.