Wrappers in CommunityService and Samples for uploading and downloading
community files.
changed Download methods signature.
modified sample for new method.
Final set of modifications in FileService for community file upload
download samples.
Modified the Sample and code as per customer's requirement.
FileService changes
review comments.
added headers for downloading file. to remove hardcoding.
Merge pull request #590 from VimalDhupar/CommunityFileUploadDownload_Colgate

Community file upload download colgate