docs: Documentation update, initial preparation for version 2.1 release

Change-Id: I3694a8791b9540fc1b926a83ff55421b47e0f1e2
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 2d93856..c648be3 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -48,9 +48,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '2.0'
+version = '2.1'
 # The full version, including alpha/beta/rc tags.
-release = 'Overall ndnSIM 2.0'
+release = 'ndnSIM'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -185,7 +185,7 @@
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass [howto/manual]).
 latex_documents = [
-  ('tutorial', 'ndnSIM-tutorial.tex', u'ndnSIM 2.0: NS-3 based Named Data Networking (NDN) simulator documentation',
+  ('tutorial', 'ndnSIM-tutorial.tex', u'ndnSIM: NS-3 based Named Data Networking (NDN) simulator documentation',
    u'Alexander Afanasyev, Spyridon Mastorakis, Ilya Moiseenko, and Lixia Zhang', 'manual'),
 ]
 
@@ -215,7 +215,7 @@
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    ('index', 'ndnSIM', u'ndnSIM 2.0: NS-3 based Named Data Networking (NDN) simulator documentation',
+    ('index', 'ndnSIM', u'ndnSIM: NS-3 based Named Data Networking (NDN) simulator documentation',
      [u'Alexander Afanasyev, Spyridon Mastorakis, Ilya Moiseenko, and Lixia Zhang'], 1)
 ]
 
@@ -229,7 +229,7 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-  ('index', 'ndnSIM', u'ndnSIM 2.0: NS-3 based Named Data Networking (NDN) simulator documentation',
+  ('index', 'ndnSIM', u'ndnSIM: NS-3 based Named Data Networking (NDN) simulator documentation',
    u'Alexander Afanasyev, Spyridon Mastorakis, Ilya Moiseenko, and Lixia Zhang', 'ndnSIM', 'One line description of project.',
    'Miscellaneous'),
 ]