Merge pull request getodk#163 from lognaturel/enketo

enketo: update to 2.3.12 for lower memory reqs on build

Merge pull request getodk#159 from getodk/update-submodules

Update submodules for v1.0

Merge pull request getodk#145 from getodk/update-submodules

Update submodules for v0.9

Merge pull request getodk#136 from getodk/update-server

Update server for v0.8.1

Merge pull request getodk#132 from getodk/update-submodules

Update submodules for v0.8

Merge pull request getodk#110 from opendatakit/v0.7

operations changes for v0.7 release

Merge pull request getodk#97 from opendatakit/update-client

Update client before v0.6.1 release

Merge pull request getodk#91 from opendatakit/issa/v0.6

release v0.6

Merge pull request getodk#70 from opendatakit/update-submodules

Update submodules before v0.5 release

Merge pull request getodk#57 from opendatakit/cxlt/fix-nginx-init

bug: new upstream nginx enables default automatically; don't.