Merge pull request #1380 from seanpaultaylor/next

Updated the doxyfile for v2.0.0
Merge pull request #1381 from seanpaultaylor/next

Next
Merge pull request #1382 from seanpaultaylor/next

Minor changes to gameplay-encoder.
Fixed doxygen warnings in headers
Merge pull request #1383 from dgough/next

Fixed doxygen warnings in headers
Normalize line endings