Add two censorship-related CCS'15 papers.

Changelog.txt

@@ -1,3 +1,7 @@
+* 2015-10-20
+	- Added paper ``CacheBrowser: Bypassing Chinese Censorship without Proxies Using Cached Content''
+	- Added paper ``Seeing through Network-Protocol Obfuscation''
+
 * 2015-09-06
 	- Added paper ``Forgive Us our SYNs: Technical and Ethical Considerations for Measuring Internet Filtering''
 	- Added paper ``BridgeSPA: Improving Tor Bridges with Single Packet Authorization''

header.tpl

@@ -73,7 +73,7 @@
       (<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">2015-09-06</a> <br />
+      Last updated: <a href="Changelog.txt">2015-10-20</a> <br />
     </div>
   </div>
 </div>

references.bib

@@ -1,3 +1,21 @@
+@inproceedings{Holowczak2015a,
+	author = {John Holowczak and Amir Houmansadr},
+	title = {{C}ache{B}rowser: Bypassing {C}hinese Censorship without Proxies Using Cached Content},
+	booktitle = {Computer and Communications Security},
+	publisher = {ACM},
+	year = {2015},
+	url = {https://people.cs.umass.edu/~amir/papers/CacheBrowser.pdf},
+}
+
+@inproceedings{Wang2015a,
+	author = {Liang Wang and Kevin P. Dyer and Aditya Akella and Thomas Ristenpart and Thomas Shrimpton},
+	title = {Seeing through Network-Protocol Obfuscation},
+	booktitle = {Computer and Communications Security},
+	year = {2015},
+	publisher = {ACM},
+	url = {http://pages.cs.wisc.edu/~liangw/pub/ccsfp653-wangA.pdf},
+}
+
 @inproceedings{Crandall2015a,
 	author = {Jedidiah R. Crandall and Masashi Crete-Nishihata and Jeffrey Knockel},
 	title = {Forgive Us our {SYN}s: Technical and Ethical Considerations for Measuring {I}nternet Filtering},