Fix paths in built YAMLs to be posix compliant

rocolib/api/components/Component.py

 from collections import OrderedDict
-import os
+import os, posixpath
 import sys
 import yaml
 import logging
@@ -290,7 +290,7 @@ class Component(Parameterized):
 
     def toYaml(self, basedir, filename):
         filepath = os.path.join(basedir, filename)
-        source = os.path.relpath(sys.argv[0], basedir)
+        source = os.path.relpath(sys.argv[0], basedir).replace(os.sep, posixpath.sep)
 
         parameters = {}
         for k, v in self.parameters.items():

rocolib/library/ESPSeg.yaml

@@ -127,7 +127,7 @@ parameters:
       minValue: 0
       units: mm
       valueType: (float, int)
-source: ..\builders\ESPSegBuilder.py
+source: ../builders/ESPSegBuilder.py
 subcomponents:
   brain:
     classname: ESPBrains

rocolib/library/Paperbot.yaml

@@ -31,7 +31,7 @@ parameters:
       minValue: 60
       units: mm
       valueType: (float, int)
-source: ..\builders\PaperbotBuilder.py
+source: ../builders/PaperbotBuilder.py
 subcomponents:
   paperbot:
     classname: ESPSeg

rocolib/library/Wheel.yaml

@@ -155,7 +155,7 @@ parameters:
       minValue: 0
       units: mm
       valueType: (float, int)
-source: ..\builders\WheelBuilder.py
+source: ../builders/WheelBuilder.py
 subcomponents:
   drive:
     classname: MountedServo