Merge pull request #94 from cs2103aug2014-t17-1j/Jack_UI

Size of Application changes according to screen Resolution
Added New colour, created border for UI
changed panel color and configured header panel
Changes to UiviewModifier
Add soft shadow to content table panel
Bigger command box
new UI layout
Merge pull request #96 from cs2103aug2014-t17-1j/UI_Changes

Ui changes
Changed JTable header colors.
All Buttons Focus have been disabled
Buttons are added with actionListener
F2 key pressed and detail panel disappeared and it will focus back to commandBox
Impt task highlight correctly
Category Panel rough detail is up