Modify access rules

project.config

diff --git a/project.config b/project.config
index e6bba3c..3de488f 100644
--- a/project.config
+++ b/project.config
@@ -30,7 +30,7 @@
 	create = group admins
 	forgeAuthor = group admins
 	forgeCommitter = group admins
-	push = +force group admins
+	push = group admins
 	label-Code-Review = -2..+2 group approvers
 	label-Code-Review = -1..+1 group Registered Users
 	submit = group approvers
@@ -63,17 +63,20 @@
 	value =  0 No score
 	value = +1 Looks good to me, but someone else must approve
 	value = +2 Looks good to me, approved
+	copyAllScoresIfNoChange = true
 [label "Run-TryBot"]
 	function = NoBlock
 	defaultValue = 0
 	value =  0 Don't test
 	value = +1 Run TryBots
+	copyAllScoresIfNoChange = true
 [label "TryBot-Result"]
 	function = NoBlock
 	defaultValue = 0
 	value = -1 TryBots failed
 	value =  0 No results
 	value = +1 TryBots succeeded
+	copyAllScoresIfNoChange = true
 [notify "codereviews"]
 	email = golang-codereviews@googlegroups.com
 	header = cc