Merge pull request #287 from jgmchan/patch-1

Do not error if there are no 'resolved' flag files
diff --git a/install-plugins.sh b/install-plugins.sh
index 630b8cd..e1150fc 100755
--- a/install-plugins.sh
+++ b/install-plugins.sh
@@ -81,4 +81,4 @@
 done
 
 # cleanup 'resolved' flag files
-rm *.resolved
+rm -f *.resolved