Adding AttributeTypes,RelationTypes,SystemType by json file

To load STs:
 Example :python manage.py filldb ../../../../Desktop/STs.json
file name should be STs.json

To load RTs:
 Example :python manage.py filldb ../../../../Desktop/RTs.json
  file name shoud be RTs.json and create STs first before creating RTs
    

To load ATs:
 Example :python manage.py filldb ../../../../Desktop/ATs.json
file name should be ATs.json

Its working fine on my local machine plz test you's machine.

 find formate in gnowsys-dev mail.


Changes done in filldb:

Explanation:
filldb takes json file as parameter and create Objects accordingly