Don't build against Jreen 1.1.0 and document it in README

CMakeLists.txt

@@ -136,6 +136,9 @@ macro_log_feature(QuaZip_FOUND "QuaZip" "Provides support for extracting downloa
 
 macro_optional_find_package(Jreen 1.0.5)
 macro_log_feature(JREEN_FOUND "Jreen" "Qt XMPP Library" "http://qutim.org/jreen / https://github.com/euroelessar/jreen" FALSE "" "Jreen is needed for the Jabber SIP plugin.\n")
+if(${PC_JREEN_VERSION} STREQUAL "1.1.0")
+    message(FATAL_ERROR "Jreen 1.1.0 has a very annoying bug that breaks accepting auth requests in Tomahawk. Please upgrade to 1.1.1 or downgrade to 1.0.5.")
+endif()
 
 macro_optional_find_package(QTweetLib)
 macro_log_feature(QTWEETLIB_FOUND "QTweetLib" "Qt Twitter Library" "https://github.com/minimoog/QTweetLib" FALSE "" "QTweetLib is needed for the Twitter SIP plugin.\n")

README.md

@@ -50,7 +50,7 @@ Required dependencies:
 
 The following dependencies are optional, but recommended:
 
-* Jreen 1.0.5 - http://qutim.org/jreen / https://github.com/euroelessar/jreen
+* Jreen 1.0.5 (1.1.0 will fail, 1.1.1 is fine) - http://qutim.org/jreen / https://github.com/euroelessar/jreen
 * QTweetLib 0.5.0 - https://github.com/minimoog/QTweetLib
 
 Third party libraries that we ship with our source: