bump to 2.2.2

8 jobs for 2.2.2
latest
Status Job ID Name Coverage
  Test
canceled #4068
debian stable amd64
debian_stable_amd64_deb

canceled #4074
debian arm stable
debian_stable_arm_deb

canceled #4067
debian stable i386
debian_stable_i386_deb

canceled #4073
osx v10.8 dmg
osx_10.8_amd64_dmg

canceled #4072
osx v10.11 dmg
osx_amd64_dmg

canceled #4070
ubuntu v14.04 amd64
ubuntu_14.04_amd64_deb

canceled #4069
ubuntu v14.04 i386
ubuntu_14.04_i386_deb

canceled #4071
ubuntu v16.04 amd64
ubuntu_16.04_amd64_deb