Add two USENIX Security'17 papers.

Changelog.txt

@@ -1,3 +1,7 @@
+* 2017-10-05
+	- Added paper ``Characterizing the Nature and Dynamics of Tor Exit Blocking''
+	- Added paper ``Global Measurement of DNS Manipulation''
+
 * 2017-08-28
 	- Added paper ``FilteredWeb: A Framework for the Automated Search-Based Discovery of Blocked URLs''
 	- Updated paper ``Government mandated blocking of foreign Web content''

header.tpl

@@ -83,7 +83,7 @@
       (<a href="author_reverse.html">reverse</a>) <a href="author.html">author</a> <br />
       Feedback: <a href="mailto:phw@nymity.ch">phw@nymity.ch</a> (<a
       href="https://nymity.ch/openpgp_public_key.txt">OpenPGP</a>) <br />
-      Last updated: <a href="Changelog.txt">2017-08-28</a> <br />
+      Last updated: <a href="Changelog.txt">2017-10-05</a> <br />
     </div>
   </div>
 </div>

references.bib

@@ -1,3 +1,21 @@
+@inproceedings{Singh2017a,
+	author = {Rachee Singh and Rishab Nithyanand and Sadia Afroz and Paul Pearce and Michael Carl Tschantz and Phillipa Gill and Vern Paxson},
+	title = {Characterizing the Nature and Dynamics of {Tor} Exit Blocking},
+	booktitle = {USENIX Security Symposium},
+	publisher = {USENIX},
+	year = {2017},
+	url = {https://www.usenix.org/system/files/conference/usenixsecurity17/sec17-singh.pdf},
+}
+
+@inproceedings{Pearce2017b,
+	author = {Paul Pearce and Ben Jones and Frank Li and Roya Ensafi and Nick Feamster and Nick Weaver and Vern Paxson},
+	title = {Global Measurement of {DNS} Manipulation},
+	booktitle = {USENIX Security Symposium},
+	publisher = {USENIX},
+	year = {2017},
+	url = {https://www.usenix.org/system/files/conference/usenixsecurity17/sec17-pearce.pdf},
+}
+
 @inproceedings{Darer2017a,
 	author = {Alexander Darer and Oliver Farnan and Joss Wright},
 	title = {{FilteredWeb}: A Framework for the Automated Search-Based Discovery of Blocked {URLs}},