Don't use ConfigParser for .buildstamp

Anaconda is case sensitive when parsing the .buildstamp
and ConfigParser makes all the keys lowercase.

src/pylorax/__init__.py

@@ -1342,26 +1342,25 @@ class BuildStamp(object):
     def __init__(self, workdir, product, version, bugurl, is_beta, buildarch):
 
         self.path = joinpaths(workdir, ".buildstamp")
-        self.c = ConfigParser.ConfigParser()
+
+        self.product = product
+        self.version = version
+        self.bugurl = bugurl
+        self.is_beta = is_beta
 
         now = datetime.datetime.now()
         now = now.strftime("%Y%m%d%H%M")
-        uuid = "{0}.{1}".format(now, buildarch)
-
-        section = "main"
-        data = {"product": product,
-                "version": version,
-                "bugurl": bugurl,
-                "isbeta": is_beta,
-                "uuid": uuid}
-
-        self.c.add_section(section)
-        map(lambda (key, value): self.c.set(section, key, value), data.items())
+        self.uuid = "{0}.{1}".format(now, buildarch)
 
     def write(self):
         logger.info("writing .buildstamp file")
         with open(self.path, "w") as fobj:
-            self.c.write(fobj)
+            fobj.write("[Main]\n")
+            fobj.write("BugURL={0.bugurl}\n".format(self))
+            fobj.write("IsBeta={0.is_beta}\n".format(self))
+            fobj.write("Product={0.product}\n".format(self))
+            fobj.write("UUID={0.uuid}\n".format(self))
+            fobj.write("Version={0.version}".format(self))
 
 
 class DiscInfo(object):