Create Upgrade Message

This is the message that is pulled by the updater script
inventory fix and item use label added

the number of uses on an item display under the item art and the use
count is dynamic, so if the item has greater than 1 uses, the number
will update.
Merge branch 'Development' of https://github.com/MSU-CS-Software-Engineering/habitgame into Development
clicking on the uses label also selects the item now

didn't catch this one so I pushed it quick
Bugfixes on 11/11/14
Active Items

Items that are active show up as nodes on the main gui. Clicking on the
node returns that item back to the inventory. Note, this is not how the
final product will be, this is just for testing purposes right now.
Notification Area, #2

updated the notification area to overlay in a space in the top right.
also reformatted engine.py whitespace to stay consistent to our style
guide
fixes the resizing issue when adding habits
Merge branch 'Development' of https://github.com/MSU-CS-Software-Engineering/habitgame into Development
commenting out the mousewheel bind for now until I can resolve the scroll bar issue.
tooltip.py class

Simple example for creating a tool tip:

label = Label(root, text='hover over me!')
label.grid()
ToolTip(label, "high")
basic level up function
Merge remote-tracking branch 'upstream/Development' into Development

Conflicts:
	engine.py