Encoder: Updated the usage text to be 80 characters wide
Fixed warnings found by static code analyzer
Added alternative type-specific MaterialParameter setters to better support setting material parameters from script.
Updated gameplay Lua script bindings.
Merge branch 'next' of https://github.com/blackberry/GamePlay into next
Merge pull request #984 from sgrenier/next

Added alternative type-specific MaterialParameter setters.
Merge branch 'next' of https://github.com/blackberry/GamePlay into next
Added the encoder to CMakeLists but left it commented out
Converted tabs to spaces in CMakeLists
Updated the encoder README.md
Moved the encoder build instructions to the wiki.
Merge pull request #985 from dgough/next

Updated encoder usage text