Merge pull request #6 from bobzilla2340/julia

Refactored transactions into transaction class and modified logic organi...
Added category choices when adding a transaction. Changed Add
Transaction dialog layout. Added Spending Category Report feature.
Merge pull request #7 from bobzilla2340/jennifer-branch

Added category choices when adding a transaction. Changed Add
Commented a lot and refactored some.
Merge branch 'master' of https://github.com/bobzilla2340/bobs-wallet.git into jennifer-branch
Merge pull request #8 from bobzilla2340/jennifer-branch

Jennifer branch
Added exception handling for specifying the dates for the reports.
Merge branch 'master' of https://github.com/bobzilla2340/bobs-wallet.git into jennifer-branch
Forgot to commit the new exceptionc class
Merge pull request #9 from bobzilla2340/jennifer-branch

Jennifer branch
Fixed Up Nav for ReportActivity and UserFinanceAccountActivity
Merge pull request #10 from bobzilla2340/jennifer-branch

Fixed Up Nav for ReportActivity and UserFinanceAccountActivity
I have serialization working whenever the app gets destroyed, but it doesn't seem to be persistent when I shutdown and restart my phone. - Sai
Serialization works now. I was not saving the reference to the deseralized data and hooking it up to the singleton. - Sai
Sai fixed serialization issue with FinanceAccount
Merge pull request #11 from bobzilla2340/jennifer-branch

Sai fixed serialization issue with FinanceAccount
registration exception
Merge remote-tracking branch 'origin/master'
Added Javadocs
Merge remote-tracking branch 'origin/master'