bug-55: format existing Java codes.
Merge pull request #6 from john-hu/bug-55-reformat

bug-55: format existing Java codes., r=thomas
Merge pull request #4 from thomas771020/bug-22-databases-for-words

Bug-22: Add Word and WordStorage class. r = john-hu
Merge pull request #7 from thomas771020/bug-53-correct-spelling

Bug-53 correct spelling. r=john-hu
Bug-53 correct spelling
Revert "Bug-53 correct spelling"
Merge pull request #10 from Vosie/revert-7-bug-53-correct-spelling

Revert "Bug-53 correct spelling"
Merge pull request #9 from thomas771020/bug-53-correct-spelling

Bug-53 correct spelling. r=john-hu
Bug-59-preivous-and-next-word