Fixed some GUI issue on promote page.
Deleted comment area on display page(Under the diagram)
gui fixing
Delete comment part in Display servlet since no comment will be display
on the display page.
Add method into Promote and Compare servlet
policyDAO and CompareDAO
add CommentDAO,Unittest successful
AddCompareDAO,UNITTEST,there is a problem on arraylist
Revert "add CommentDAO,Unittest successful AddCompareDAO,UNITTEST,there is a problem on arraylist"

This reverts commit 034466979c0fc305ed0376e2d01dcb2766086fab.
Revert "policyDAO and CompareDAO"

This reverts commit ecea1e0645ba396d6c940d0ac11daba83b78f742.
CommentDAO, and CompareDAO -- Writen by Weiqi
finished promote and get comments in Promote page. Fixed some GUI issue
on page promote. search compare or add new compare before go to Promote
page.
Weiqi's test
Fix reportId problem in Compare.
remove reportId when get comment
Resolve problem that save duplicate report records
redirect page to Promote after promote a diagram
Merge pull request #71 from ahajirnis/PromotePage

Promote page