Some tweaks to layout style in stats/skills section

Start of the last pass over the sheet.  Some tweaks to layout and
styling of stats/skills section.  Also added in behind the scenes
sections that potentially could be used for a  tabbed view in the
future...also makes code a bit easier to view/edit/fold
Armour and weapon sections layout tweaks

Armour and weapon sections layout tweaks
Styled and tidied spell section

Spell section all tidied up and some style applied