Merge branch 'prakhar/purr-data-imp_prop_layout' into emscripten

8 jobs for emscripten
Status Job ID Name Coverage
  Test
canceled #27655
debian stretch x86_64
debian_stretch_x86_64_deb

canceled #27659
osx v10.11 dmg
osx_10.11_x86_64_dmg

canceled #27660
osx v10.8 dmg
osx_10.8_x86_64_dmg

canceled #27662
raspbian arm stretch
raspbian_stretch_armv7l_deb

canceled #27656
ubuntu v14.04 i386
ubuntu_14.04_i386_deb

canceled #27657
ubuntu v14.04 x86_64
ubuntu_14.04_x86_64_deb

canceled #27658
ubuntu v16.04 x86_64
ubuntu_16.04_x86_64_deb

canceled #27661
windows i386
windows_i386_innosetup