Add missing libs for xmltv

Dockerfile

@@ -226,7 +226,9 @@ RUN \
  apk add --no-cache \
 	ffmpeg \
 	ffmpeg-libs \
-	libhdhomerun-libs && \
+	libhdhomerun-libs \
+	libxml2 \
+	libxslt && \
 
 # cleanup
  apk del --purge \

README.md

@@ -130,7 +130,7 @@ For advanced setup of tvheadend, go to [Tvheadend][tvheadendurl]
 
 ## Versions
 
-+ **22.09.2016:** Fix broken tv_grab_wg and update README.
++ **22.09.2016:** Fix broken tv_grab_wg, libs for xmltv and update README.
 + **18.09.2016:** Update XMLTV to 0.5.68 and update README.
 + **10.09.2016:** Add layer badges to README.
 + **05.09.2016:** Initial release.