Implemented purchasing weapons/shields/gadgets.
added Item class for weapons/shields/gadgets, enforced disabled buttons for insufficient money, tech level, and slots
Added Javadoc and did some code review.
Merge pull request #16 from hrosenblume/M9

M9
Uploaded code review files.
Added the checkstyle file for M10
javadoc everything except for title controller
Performed checkstyle on all files
Successfuly ran and eleminated all bugs using FindBugs. Included Pranil's JUnit file.
Merge pull request #17 from hrosenblume/M10-FindBugs

Successfuly ran and eleminated all bugs using FindBugs. Included Pranil's JUnit file.
fixes
for merge
Merge pull request #19 from hrosenblume/master

Merge