Subject: user complaint implemented

Description:

1) User can log complaint
2) technician can see no. of complaints by user
3) technician can also see description of complaint

TODO:

1) technician should take up a complaint and a main panel should show
which technician has taken which complaint

2) solved and unsolved complaints

3) technician should reply back to each complaint when it is solved or
have some further query

4) technician should get a list of solved queries by himself

ADVANCED:

1) request for access to device using remote protocol(Not decided yet)
2) time slot given by user in case he wants LIVE remote assistance