Log Message:
Update google-api-go-client to 20151217. Giant gobs of generated code, lots
of new and removed APIs. Full list of changes:

dc6d235 generator: support quotaUser,userIp parameters.
fb9a762 all: update apis.
80b32e2 storage: fix integration test by removing unconditional error.
ac3c988 google-api-go-client: Don't strip body when doing resumable uploads.
a5fc36f google-api-go-client: rollback commits due to licensing issues
ece7143 google-api-go-client: update all APIs
030d584 google-api-go-client: switch [] repeated params to ...
b21645f google-api-go-client: update all APIs and test against Go 1.5, not tip
4d6c29d google-api-go-client: add support for "repeated" params
c12ea1c google-api-go-client: update all APIs and remove old ones
e4bb4e4 google-api-go-client/integration_test: pass key to test for Travis CI
baa070d google-api-go-client: check all errors in storage integration_test.go
1b8ee73 google-api-go-client: fix passing of env vars to Travis CI tests
890a901 google-api-go-client: add start of integration tests for major APIs
fd08114 container/v1beta1: regenerate.
cd02e6c google-api-go-client: external friendliness
a42d61d Shoot - I meant to submit the integration tests first. Reverting.
6e98bbb google-api-go-client: add support for "repeated" params
c83ee8e google-api-go-client: update all APIs
73781a6 all: make imported package paths configurable.
e2903ca Revert "google-api-go-client: add support for "repeated" \ 
params"
69e4926 google-api-go-client: add support for "repeated" params
5be63c5 small typo in googleapi_test.go
bce17bf google-api-go-client: make apiPackageBase a flag
7f3774d google-api-go-client: add If-None-Match support
09c6521 google-api-go-client: add canonical import paths
a402444 google-api-go-client: fix breakage caused by d604dad
78786a0 google-api-go-client: Use pointers for Point values in cloud monitoring.
253d400 generator: remove check for string-encoded pointer fields.
d604dad all: add ForceSendFields support
77b0a8c Add golang.org/x/net/context support.
b82cbee google-api-go-client: update all APIs
ebc7799 google-api-go-client: update all APIs
ed920dd google-api-go-client: resurrect deleted container:v1beta1 API
8cbf97d google-api-go-client: add Application Default Credential example
e7c0934 google-api-go-client: update all APIs
85c9280 google-api-go-client: update all APIs
f955494 google-api-go-generator: Fix broken IntegerValue field in datastore API.
09c6edb google-api-go-client: clean up README.md and remove tabs.
2b9259b google-api-go-client: restore accidentally removed tests
636998d google-api-go-client: Use pointers for property values in datastore.
381e13c google-api-go-client: Force use of some pointer fields.
146d575 google-api-go-generator: add helpers for converting basic types to pointers.
4af91da google-api-go-generator: Add the ability to use pointer types for a \ 
specific list of API fields.
a5c3e2a google-api-go-client: update all APIs.
0bacdc6 google-api-go-client: add URL for CONTRIBUTORS agreement.
e5bf1aa google-api-go-client: force creation of compute:beta API.
0a735f7 google-api-go-client: add support for media downloads
0c2979a google-api-go-client: rename odd version names like admin/directory_v1.
1cd605a google-api-go-client: add canonical import path to support \ 
"internal" import.
ca04995 google-api-go-client: document arrays of enums and add struct descriptions.
a0c5ebc google-api-go-client: Add message about vendoring to README.md.
b3892b2 google-api-go-client: update Travis CI to new testing infrastructure.
87abb3a google-api-go-client: update all APIs.
18450f4 google-api-go-client: update all APIs.
661ac69 google-api-go-client: resumable upl: skip initial status request
fd68af8 google-api-go-generator: resumable uploads: send object metadata
a09229c google-api-go-client: Update all APIs
cf0f7d2 all: new and updated APIs
b036f29 CONTRIBUTORS: add Dragoslav Mitrinovic
0610a35 google-api-go-client: respect multiple underscores in API names
2c0e355 google-api-go-generator: mkDir before writing file
d56f328 google-api-go-client: remove italics next to <>
62f06d3 google-api-go-client: update CONTRIBUTING.md from Go repo
1a82496 google-api-go-generator: don't require GOPATH in -api_json_file/-output mode
d4ab0b8 google-api-go-generator: Use pointers for fields with unfortunate defaults.
3a1d89e google-api-go-generator: Add a Field interface.
d33cfe6 all: new and updated APIs
d220b9c google-api-go-generator: Move compute/beta to the correct location.
5f0a22b pubsub: update to pubsub example to v1beta2
b1edac7 google-api-go-client: fix examples broken by \ 
https://code-review.googlesource.com/#/c/2490/
0fa2490 google-api-go-client: enumerate enums for optional params
34c5554 google-api-go-generator: remove underscores from identifiers.
774bdb5 google-api-go-client: enumerate enum possibilities in comments
f84da2d google-api-go-client: strip `" and "` from comments
be882d4 Support 'any' fields, improve cached mode, ignore revision updates.