Merge branch '0.6.3_release' into 'master'

Version 0.6.3 release

See merge request lscsoft/bilby!691

CHANGELOG.md

 # All notable changes will be documented in this file
 
+## [0.6.3] 2020-01-03
+### Changed
+- Fixed an issue with the ROQ segment scaling (!690)
+
 ## [0.6.2] 2019-12-20
 ### Added
 - Introduced conditional prior sets (!332)(!673)(!674)

setup.py

@@ -57,7 +57,7 @@ def readfile(filename):
     return filecontents
 
 
-VERSION = '0.6.2'
+VERSION = '0.6.3'
 version_file = write_version_file(VERSION)
 long_description = get_long_description()