Use asciidoc syntax for THANKS

THANKS

@@ -1,45 +1,53 @@
+Thanks
+======
+
 Thanks to the following projects, which were a source for great inspiration:
-    - eric5 <http://eric-ide.python-projects.org/>
+
-    - dwb <http://portix.bitbucket.org/dwb/>
+* http://eric-ide.python-projects.org/[eric5]
-    - Vimperator <http://www.vimperator.org/>
+* http://portix.bitbucket.org/dwb/[dwb]
-    - pentadactyl <http://5digits.org/pentadactyl/>
+* http://www.vimperator.org/[Vimperator]
-    - vimb <https://github.com/fanglingsu/vimb>
+* http://5digits.org/pentadactyl/[Pentadactyl]
-    - Vimium <http://vimium.github.io/>
+* https://github.com/fanglingsu/vimb[vimb]
-    - devicenzo <https://code.google.com/p/devicenzo/>
+* http://vimium.github.io/[vimium]
+* https://code.google.com/p/devicenzo/[devicenzo]
 
 Thanks to the following people for helping me with problems big and small:
-    - portix
+
-    - Detlev Offenbach
+* portix
-    - seir
+* Detlev Offenbach
-    - nitroxleecher
+* seir
+* nitroxleecher
 
 Thanks to the following people for early testing:
-    - V155
+
-    - eto
+* V155
-    - portix
+* eto
-    - iggy
+* portix
-    - meisterT_
+* iggy
-    - hrnz
+* meisterT_
-    - pedromj
+* hrnz
-    - china
+* pedromj
-    - Tsutsukakushi
+* china
-    - seir
+* Tsutsukakushi
-    - raven_ch
+* seir
-    - rieper
+* raven_ch
-    - thorsten`
+* rieper
+* thorsten`
 
 Thanks to everone answering my and other questions on Stackoverflow and the IRC.
 
 Thanks to the people triaging bugs in the Qt bugtracker.
 
-Thanks to these projects which were essential while developing qutebrowser:
+Thanks to these projects which were essential while developing qutebrowser, and
-    - Python
+all their contributors:
-    - vim
+
-    - git
+* http://www.python.org/[Python]
-    - Qt
+* http://www.vim.org/[vim]
-    - PyQt
+* http://git-scm.com/[git]
-    - pylint
+* http://qt-project.org/[Qt]
-    - pyflakes
+* http://www.riverbankcomputing.com/software/pyqt/intro[PyQt]
-    - pep8
+* http://www.pylint.org/[pylint]
-    - pep257
+* https://pypi.python.org/pypi/pyflakes[pyflakes]
-    - flake8
+* https://pypi.python.org/pypi/pep8/[pep8]
+* https://github.com/GreenSteam/pep257/[pep257]
+* https://pypi.python.org/pypi/flake8[flake8]