SDK: add ChatHandler options

- fix classes names to capitalize
- add set -e to bash scripts
- code cleanup

Change-Id: Icc5c096afac62b7fe88f15496b15c4bfb45a9b0d
GitLab: #5
diff --git a/HelloWorld/CoinCircleMediaHandler.h b/HelloWorld/CoinCircleMediaHandler.h
index d14c63f..84653c8 100644
--- a/HelloWorld/CoinCircleMediaHandler.h
+++ b/HelloWorld/CoinCircleMediaHandler.h
@@ -31,7 +31,7 @@
 class CoinCircleMediaHandler : public jami::CallMediaHandler
 {
 public:
-    CoinCircleMediaHandler(std::map<std::string, std::string>&& ppm, std::string&& dataPath);
+    CoinCircleMediaHandler(std::map<std::string, std::string>&& preferences, std::string&& dataPath);
     ~CoinCircleMediaHandler();
 
     virtual void notifyAVFrameSubject(const StreamData& data, avSubjectPtr subject) override;
@@ -45,7 +45,7 @@
 
 private:
     const std::string datapath_;
-    std::map<std::string, std::string> ppm_;
+    std::map<std::string, std::string> preferences_;
     std::string attached_ {"0"};
 };
 } // namespace jami