Merge branch '17-add-euler-combinations' into 'master'

Added the rest 3 of the 12 euler angle combinations. No unit tests yet.

Closes #17

See merge request WEISS/SoftwareRepositories/SNAPPY/scikit-surgerycore!15
9 jobs for master in 10 minutes and 32 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #18244
shared-linux
build docs

00:00:46

passed #18245
shared-linux
build linux installer

00:00:17

passed #18246
shared-mac
build mac installer

00:00:32

passed #18247
shared-win
build windows installer

00:02:59

 
  Test
passed #18248
shared-linux
test Linux

00:02:05

94.0%
passed #18249
shared-mac
test macOS

00:01:12

passed #18250
shared-win
test Windows

00:07:28

 
  Deploy
failed #18252
docs-staging
deploy docs to staging

00:00:03

failed #18251
docs-staging
deploy docs to staging

 
Name Stage Failure
failed
deploy docs to staging Deploy
Downloading artifacts from coordinator... ok        id=18244 responseStatus=200 OK token=-cLhGDgU
$ rsync -avz -e'ssh -v' --numeric-ids --delete doc/build/html/* staging_docs_rsync:WEISS/SoftwareRepositories/scikit-surgerycore 2>&1
OpenSSH_7.6p1 Ubuntu-4ubuntu0.3, OpenSSL 1.0.2n 7 Dec 2017
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
ssh: Could not resolve hostname staging_docs_rsync: Name or service not known
rsync: connection unexpectedly closed (0 bytes received so far) [sender]
rsync error: unexplained error (code 255) at io.c(235) [sender=3.1.2]
ERROR: Job failed: exit status 1