Added links to missing integration information

Change-Id: Id9edfb939554e1afcd2677af4ee6ed36c9a1e02e
Closes-Bug: #1332913
Document get_file get_param incompatibility

Adds a doc note that get_file only accepts static
arguments.

Change-Id: I3386a6f70c3ca2a8d32b7d0d56f6eb5c0bf56774
Merge "Added links to missing integration information"
Merge "Document get_file get_param incompatibility"