Merge pull request #54 from luccioman/debian

Update debian dependency to allow installing with java 1.8

debian/control

@@ -7,7 +7,8 @@ Standards-Version: 3.7.2
 
 Package: yacy
 Architecture: all
-Depends: openjdk-7-jre-headless, sudo, debconf
+Depends: java7-runtime-headless | java8-runtime-headless, sudo, debconf
+Suggests: curl | wget
 Description: Peer-to-Peer Web Search Engine
  YaCy is a Java-based peer-to-peer search engine.
  It provides a personal web search engine, which is