Merge pull request #17 from habibun/jony

Jony
refactor code
created By relation removed
user show page fix finally
user index page fixed
update symfony2 version
bootstrap3_layout
user new form fix
user index image size fix
git edit form view fix
image update successfully
remove extra slash
global profile picture fix
rename for standard file name
user image field required set false
database updated 20.11.2014
user delete fix
user show fix
tooltip added purchase and issue history
suplier details and current stock change design