Fix for file too large(based on server config end)
Also binding the file details with the ajax context

Signed-off-by: Siddhartha Gupta <makerzzz.zzzz@gmail.com>
Removed inline text from attachment controller

Signed-off-by: Siddhartha Gupta <makerzzz.zzzz@gmail.com>
#1650 - inline texts removed

Signed-off-by: Siddhartha Gupta <makerzzz.zzzz@gmail.com>
Merge pull request #1651 from siddhartha-gupta/FileUpload

File upload