Merge branch 'devel'
Merge branch 'devel'
Merge branch 'devel'
Merge branch 'devel'
Merge branch 'devel'
Merge branch 'devel'
Merge branch 'devel'
Merge branch 'devel'
Merge branch 'devel'
Fix warnings with MSVC
Update build configs
Update .travis.yml, fix invalid 'language'