Fix relative paths for the library imports

 * Use ndn_cmmap_translators.<module_name>
 * Update README to reflect updated dependecies and installation instructions

Change-Id: I7b44f10b9034ee21a5f55b2b41a5ea44dbd1cff9
diff --git a/lib/ndn_cmmap_translators/atmos_translator.py b/lib/ndn_cmmap_translators/atmos_translator.py
index 280d0d2..a12b420 100644
--- a/lib/ndn_cmmap_translators/atmos_translator.py
+++ b/lib/ndn_cmmap_translators/atmos_translator.py
@@ -22,8 +22,8 @@
 
 '''Translates a netcdf filename to a NDN name'''
 
-from atmos2ndn_parser import conf_file_parser, cmd_arg_parser
-from atmos2ndn_translators import translate
+from ndn_cmmap_translators.atmos2ndn_parser import conf_file_parser, cmd_arg_parser
+from ndn_cmmap_translators.atmos2ndn_translators import translate
 
 def argsForTranslation(dataFilepath, configPath):
     '''this module does the actual translation calls'''