Add swift support.

Based on github.sh/cloudbuilders/deploy.sh/swift. This is a WIP branch.
diff --git a/files/swift-rsyncd.conf b/files/swift-rsyncd.conf
new file mode 100644
index 0000000..80ec186
--- /dev/null
+++ b/files/swift-rsyncd.conf
@@ -0,0 +1,79 @@
+uid = stack
+gid = stack
+log file = /var/log/rsyncd.log
+pid file = /var/run/rsyncd.pid
+address = 127.0.0.1
+
+[account6012]
+max connections = 25
+path = %SWIFT_LOOPBACK_DISK_SIZE%/1/node/
+read only = false
+lock file = /var/lock/account6012.lock
+
+[account6022]
+max connections = 25
+path = %SWIFT_LOOPBACK_DISK_SIZE%/2/node/
+read only = false
+lock file = /var/lock/account6022.lock
+
+[account6032]
+max connections = 25
+path = %SWIFT_LOOPBACK_DISK_SIZE%/3/node/
+read only = false
+lock file = /var/lock/account6032.lock
+
+[account6042]
+max connections = 25
+path = %SWIFT_LOOPBACK_DISK_SIZE%/4/node/
+read only = false
+lock file = /var/lock/account6042.lock
+
+
+[container6011]
+max connections = 25
+path = %SWIFT_LOOPBACK_DISK_SIZE%/1/node/
+read only = false
+lock file = /var/lock/container6011.lock
+
+[container6021]
+max connections = 25
+path = %SWIFT_LOOPBACK_DISK_SIZE%/2/node/
+read only = false
+lock file = /var/lock/container6021.lock
+
+[container6031]
+max connections = 25
+path = %SWIFT_LOOPBACK_DISK_SIZE%/3/node/
+read only = false
+lock file = /var/lock/container6031.lock
+
+[container6041]
+max connections = 25
+path = %SWIFT_LOOPBACK_DISK_SIZE%/4/node/
+read only = false
+lock file = /var/lock/container6041.lock
+
+
+[object6010]
+max connections = 25
+path = %SWIFT_LOOPBACK_DISK_SIZE%/1/node/
+read only = false
+lock file = /var/lock/object6010.lock
+
+[object6020]
+max connections = 25
+path = %SWIFT_LOOPBACK_DISK_SIZE%/2/node/
+read only = false
+lock file = /var/lock/object6020.lock
+
+[object6030]
+max connections = 25
+path = %SWIFT_LOOPBACK_DISK_SIZE%/3/node/
+read only = false
+lock file = /var/lock/object6030.lock
+
+[object6040]
+max connections = 25
+path = %SWIFT_LOOPBACK_DISK_SIZE%/4/node/
+read only = false
+lock file = /var/lock/object6040.lock