add another configuration file for packager

/usr/share/rpmlint/config is used by packager, to set package wide policy, etc, and
   should not be modified by users
 /etc/rpmlint/config is used to set a configuration for a specific host, and should
   be marked as %config(noreplace) in rpm


git-svn-id: svn+ssh://rpmlint.zarb.org/home/projects/rpmlint/svn/trunk@1125 9bc8b190-ac0f-0410-8968-dc7d1f502856

rpmlint.py

@@ -175,10 +175,12 @@ all=0
 conf_file='~/.rpmlintrc'
 info_error=0
 # load global config file
-try:
-    loadFile('/etc/rpmlint/config')
-except OSError:
-    pass
+for f in ('/usr/share/rpmlint/config','/etc/rpmlint/config'):
+    try:
+        loadFile(f)
+    except OSError:
+        pass
+
 
 # process command line options
 for o in opt: