Longer timer & some clean-up - Minor v1.2 Update

v1.2 Update

• Timer changed from 6 to 7 seconds
• Downloadable version v1.0 -> v1.2, inheriting the minor changes made in web v1.1
• Tidied up graphical glitching in fourth mode
• 'Retry' button always shows up on Results screen, irrespective of touch controls being enabled
• Touch control layout modified on home page for testing*
• Several tool-tips updated

*Web version only