Tools update

Upd .gitignore to ignore object everywhere
Add update.pl, a small perl script to auto git update and apply db
update in sql.
Add setup_perl.sh, to setup perl environnement for module used by perl.
Move some function into rA_common.pm

.gitignore

@@ -22,6 +22,9 @@ Thumbs.db
 /*.sdf
 /*.stackdump
 /*.suo
+*.o
+*.a
+*.yml
 /char-server
 /char-server
 /config.log
@@ -124,4 +127,3 @@ Thumbs.db
 /vcproj-9/login-server
 /vcproj-9/map-server
 /vcproj-9/mapcache
-/conf/.tmp-desd_conf.yml