Twitter-oss: Prepare OSS libraries for release

Summary: Problem

We want to release version 17.10.0 of our Twitter OSS Libraries

Solution

Prepare libraries for their next releases.

JIRA Issues: CSL-5179

Differential Revision: https://phabricator.twitter.biz/D104520

CHANGES

@@ -6,6 +6,8 @@ Note that ``PHAB_ID=#`` and ``RB_ID=#`` correspond to associated messages in com
 
 Unreleased
 
+17.10.0  2017-10-26
+
 Release Version Changes:
   * From now on, release versions will be based on release date in the format of
     YY.MM.x where x is a patch number. ``PHAB_ID=D101244``

README.md

@@ -35,7 +35,7 @@ for more details about how to contribute.
 An example SBT dependency string for the `util-collection` tools would look like this:
 
 ```scala
-val collUtils = "com.twitter" %% "util-collection" % "0.0.0-SNAPSHOT"
+val collUtils = "com.twitter" %% "util-collection" % "17.10.0"
 ```
 
 # Units

build.sbt

@@ -3,7 +3,7 @@ import sbtunidoc.Plugin.{ScalaUnidoc, unidocSettings}
 import scoverage.ScoverageKeys
 
 // All Twitter library releases are date versioned as YY.MM.patch
-val releaseVersion = "0.0.0-SNAPSHOT"
+val releaseVersion = "17.10.0"
 
 val zkVersion = "3.5.0-alpha"
 val zkClientVersion = "0.0.81"