Release commit for v2.9.0 (#318)

Author: bhautikpip

Diff for: CHANGELOG.rst

@@ -2,6 +2,12 @@
 CHANGELOG
 =========
 
+2.9.0
+==========
+* bugfix: Change logging behavior to avoid overflow. `PR302 <https://github.com/aws/aws-xray-sdk-python/pull/302>`_.
+* improvement: Lazy load samplers to speed up cold start in lambda. `PR312 <https://github.com/aws/aws-xray-sdk-python/pull/312>`_.
+* improvement: Replace slow json file name resolver. `PR 306 <https://github.com/aws/aws-xray-sdk-python/pull/306>`_.  
+
 2.8.0
 ==========
 * improvement: feat(sqla-core): Add support for rendering Database Specific queries. `PR291 <https://github.com/aws/aws-xray-sdk-python/pull/291>`_.

Diff for: aws_xray_sdk/version.py

@@ -1 +1 @@
-VERSION = '2.8.0'
+VERSION = '2.9.0'

Diff for: docs/conf.py

@@ -62,9 +62,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'2.8.0'
+version = u'2.9.0'
 # The full version, including alpha/beta/rc tags.
-release = u'2.8.0'
+release = u'2.9.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.