#110 Prevent docker fail if responder requirements are empty

docker.sbt

@@ -32,8 +32,8 @@ dockerCommands ~= { dc =>
           "pip3 install -U pip setuptools && " +
           "cd /opt && " +
           "git clone https://github.com/TheHive-Project/Cortex-Analyzers.git && " +
-          "for I in Cortex-Analyzers/analyzers/*/requirements.txt Cortex-Analyzers/responders/*/requirements.txt; do pip2 install -r $I; done && " +
-          "for I in Cortex-Analyzers/analyzers/*/requirements.txt Cortex-Analyzers/responders/*/requirements.txt; do pip3 install -r $I || true; done"),
+          "for I in $(find Cortex-Analyzers -name 'requirements.txt'); do pip2 install -r $I; done && " +
+          "for I in $(find Cortex-Analyzers -name 'requirements.txt'); do pip3 install -r $I || true; done"),
       Cmd("ADD", "var", "/var"),
       Cmd("ADD", "etc", "/etc"),
       ExecCmd("RUN", "chown", "-R", "daemon:root", "/var/log/cortex"),