Changeset 7ed8b57eea in tspsg for src/tspmodel.cpp

[BB10] UI fixes:

• added proxy style and stylesheet to fix some UI issues on BlackBerry?;
• removed style selection option because most styles have UI issues and removed About Qt menu item because About Qt dialog is too big;
• load bigger (128x128) icons on BlackBerry? 10;
• removed printing related items from menu as there's no printer;
• made dialogs to be shown maximized;
• made solution graph smaller;
• made font smaller;
• made output text color black;
• start editing table cells on single tap;
• don't show keyboard in about dialog.

Cherry-picks from
aa64ad40827cde0a444cd8198b0f3457aa191f8f
95b0ef73dcb4517ac2ae08867494204bbe8d7ea6
ccdffe3a5f84f12fba2e2f19ab249c31f1fcf35d
628500a5d687889823197e476953859d529af4f0