sdlog2: ATTC - vehicle attitude control logging added
sdlog2: STAT (vehicle state) log message added, minor optimizations
Merge branch 'master' into sdlog2
sdlog2 fixes
sdlog2 -b option (log buffer size) added, minor cleanup
sdlog2 minor fix
Merge pull request #297 from DrTon/sdlog2

sdlog2: new log messages added, ajustable log buffer