Updating submodules
Updating submodules

Summary:
GitHub commits:

https://github.com/facebook/fb303/commit/7a8c3ed80ce4a080635883b2a4f836633f0431ac
https://github.com/facebook/fbzmq/commit/96d337fad5a8b89c3c30a35f055478daebf562f7
https://github.com/facebook/folly/commit/78a00dec664c4a1ed5ec3c920c37fa38a23eba85
https://github.com/facebook/proxygen/commit/c18fb5f91cd108481000266004c1c69fc0e9354d
https://github.com/facebook/watchman/commit/49a3ade7dce8b615328bfcdae84e2e08d3295b7e
https://github.com/facebookexperimental/rust-shed/commit/931d4c038cc4579b64544f3cb71e4ce47298751d
https://github.com/facebookexternal/stl_tasks/commit/b969d6a5a64e44cb4e04022902ecc54c7d74540d

Reviewed By: bigfootjon

fbshipit-source-id: 35dd4cffac011d986941bc2ea13ef0cecadbe2f8

nodakai/watchman,nodakai/watchman,facebook/watchman,nodakai/watchman,nodakai/watchman,nodakai/watchman,facebook/watchman,nodakai/watchman,facebook/watchman,facebook/watchman,facebook/watchman,facebook/watchman,nodakai/watchman,facebook/watchman,nodakai/watchman,nodakai/watchman,facebook/watchman,facebook/watchman