Print statements modified.
To avoid few errors: if blocks added wherever required
Based on value as File in validators field (basically a list) of AttributeType, upload widget added
MIS updates - Upload file provision
convert_mid_size_image() updated: Error(int division error mod division by zero) resolved for image whose size is less than 1000x1000 pixel
Merge branch 'MIS-template-redesign' into mongokit
license field update: MetaType exclusion added.
Merge pull request #681 from AvadootNachankar/mongokit

MIS updates - Upload file provision