Bug resolved in task App

As reported
when we create task the status should be new , it should not be changed
so now when some one creates the task the status dropped down is disabled for selection.
while updating it is enable to change the status of the task

Content was not getting saved.
when we update the task the content of the task was not getting saved.
corrected it.

Task File Upload:-
previously if some one tries to upload a file with the same content but different name as of file already stored in the Grid fs it was not attaching the file because the file document was not getting created
for solving the issue (First Phase) solution
Giving the file name of the previously uploaded files two the next users who try to upload the same file with different name