Updated CHANGELOG

CHANGELOG

@@ -1,3 +1,30 @@
+Version 0.6.0 (2016-08-29)
+--------------------------
+Added network type and technology to mobile context (#180)
+Added firstEventId to client_session context (#160)
+Added code coverage to project (#205)
+Added CI/CD to project (#213)
+Added Bintray credentials to .travis.yml (#212)
+Added support for attaching true timestamp for events (#196)
+Bumped geolocation_context to 1-1-0 (#203)
+Stopped incrementing SessionIndex while application in background (#192)
+Removed RxJava and merge Classic into core (#187)
+Removed trailing newline character from base64 encoding (#207)
+Removed `Emitter:performSyncEmit` as no longer used (#209)
+Converted removal of events from database into a single query (#177)
+Renamed TimingWithCategory to Timing (#164)
+Renamed Unstructured Event to SelfDescribing Event (#190)
+Upgraded OkHttp from 2 to 3 (#183)
+Refactored how extra contexts are attached to events (#204)
+Ensured Timing event does not set a null or empty value for `label` (#210)
+Forced singleton pattern for the Tracker (#175)
+Moved EventStore serialize & deserialize functions to Util (#211)
+Util.getAdvertisingId(Context) e.getCause() can be null (#191)
+Do not send "co/cx" when there are no contexts to send (#194)
+SelfDescribingJson `setData` has invalid equality check (#208)
+Automatically track fatal/uncaught application exceptions (#202)
+Automatically track activity resume/pause lifecycle events (#206)
+
 Version 0.5.4 (2016-03-02)
 --------------------------
 Core: fixed input string \"null\" is not a valid UUID with previousSessionId on Android Versions lower than KitKat (#185)