Ui enhancements

[fanwgwg]

• Changed some colors
• Inline find command message
• Remove seconds in the status bar
• Set the max height/width of pop up window to be main window height/width
• Added some shortcut key gui test
• Fix the bug during demo that ctrl-H doesn't go back to main window

Fixes #193

[burnflare]

@fanwgwg Just fyi there's no need to make a PR to run Travis. Travis is always running on all pushed branches. You can see their build status here https://travis-ci.org/CS2103AUG2016-W11-C2/main/branches

[fanwgwg]

hahah just realised that so I close it for now

[burnflare]

@fanwgwg Is this ready to review? If so, can attach screenshot?

[fanwgwg]

This is the updated color scheme, is it fine? @burnflare @INCENDE @rachx

[rachx]

When i pulled the branch, it looks like

The overdue color is not very obvious

@fanwgwg : I think we can use the color scheme of the screenshot you took 👍 . Change and merge

[burnflare]

@fanwgwg was the change made before merging?

[fanwgwg]

I don't think there is any change needed, cuz I've already made the changes before rachael asked about, so it could be that she didn't pull the latest changes?