Change version string for the release.

Author: arokem

forestci/version.py

@@ -2,8 +2,8 @@
 _version_major = 0
 _version_minor = 6
 _version_micro = ''  # use '' for first of series, number for 1 and above
-_version_extra = 'dev'
-#  _version_extra = ''  # Uncomment this for full releases
+# _version_extra = 'dev'
+_version_extra = ''  # Uncomment this for full releases
 
 # Construct full version string from these.
 _ver = [_version_major, _version_minor]