use SAL_WARN for error reporting and not cout

Change-Id: If9d0def198b230ae4a8b3e335d8a5dac67133b51
make OpenGLRender.cxx cout free

Change-Id: I7b6a349910119bbf525f4253a7d8d62fee37b80b
remove BMP define from header file

Change-Id: I5037971e1fa55d5c7bd17502639d09f7943c9327
don't use these using statements in a header

Change-Id: Iebf9af6996a2c07a20488404b0078b4a309223f4
remove more debug output

Change-Id: Ibde24714f37854b8996d3a37d86f64cb987d8d95
remove methods for old stateful time based approach

Change-Id: I0fe6090c055f3c6ab1e89930a7cdfb928924c04c
move glm to external

Change-Id: Ifa9584ab86c2ca02b2b62fb95a2c029a278aea9a