Support terminating include with >

The previous thought of <base.pkglist is fine, but upon seing <base.pkglist>, that looks better.

confluent_server/confluent/syncfiles.py

@@ -33,6 +33,9 @@ def mkdirp(path):
             raise
 
 def get_entries(filename):
+    filename = filename.strip()
+    if filename[-1] == '>':
+        filename = filename[:-1]
     with open(filename, 'r') as slfile:
         slist = slfile.read()
     entries = slist.split('\n')

imgutil/imgutil

@@ -412,6 +412,9 @@ class OsHandler(object):
     def list_packages(self, pkglistfile=None):
         if pkglistfile is None:
             pkglistfile = self.pkglist
+        pkglistfile = pkglistfile.strip()
+        if pkglistfile[-1] == '>':
+            pkglistfile = pkglistfile[:-1]
         with open(pkglistfile, 'r') as pkglist:
             pkgs = pkglist.read()
             pkgs = pkgs.split()