Rename plc -> coupler.

slapos/software/osie-coupler/software.cfg

+# the default SlapOs profile which setup a modbus server instance usually over OSIE's coupler
 [buildout]
 extends =
   buildout.hash.cfg
@@ -7,8 +8,8 @@ extends =
 
 parts = 
   osie-repository
-  osie-plc-egg
-  osie-plc-script
+  osie-coupler-egg
+  osie-coupler-script
 
 # fix for pypi: https://mail.python.org/pipermail/distutils-sig/2017-October/031712.html
 index = https://pypi.python.org/simple/
@@ -20,18 +21,18 @@ git-executable = ${git:location}/bin/git
 repository = https://gitlab+deploy-token-4:pLwtBu8TbusqZDKPUpZA@lab.nexedi.com/nexedi/osie.git
 location = ${buildout:parts-directory}/osie
 
-[osie-plc-egg]
+[osie-coupler-egg]
 recipe  = zc.recipe.egg:develop
-egg     = osie-plc
-setup   = ${osie-repository:location}/eggs/osie-plc/
+egg     = osie-coupler
+setup   = ${osie-repository:location}/eggs/osie-coupler/
 
-[osie-plc-script]
+[osie-coupler-script]
 recipe  = zc.recipe.egg:scripts
-eggs    = ${osie-plc-egg:egg}
+eggs    = ${osie-coupler-egg:egg}
 scripts = modbus_server=modbus_server-run
 #interpreter = ${python-interpreter:interpreter}
 
 [eggs]
 eggs +=
-  ${osie-plc-egg:egg}
+  ${osie-coupler-egg:egg}
   setuptools