Minor tweeks to UI to improve it.

1. Label for Network Name added.
2. Horizontal layout for network label, combo box & connect button.
3. Default size of Jododial widget tweeked.
More TODOs added
Separate folders for .obj & .moc in build directory

jododial.pro changed for this
Added basic functionality to send USSD commands & receive replies

It works but some rough edges remain.
TODO update
Build files generated for resource files should go to build/rcc

Appropriate change in jododial.pro