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/SDK/Templates/genericMediaHandler.cpp b/SDK/Templates/genericMediaHandler.cpp
index 3254925..4a6ee78 100644
--- a/SDK/Templates/genericMediaHandler.cpp
+++ b/SDK/Templates/genericMediaHandler.cpp
@@ -3,6 +3,7 @@
 #include "GENERICMediaHandler.h"
 
 #include "pluglog.h"
+#include <string_view>
 
 const char sep = separator();
 const std::string TAG = "GENERIC";
@@ -11,10 +12,10 @@
 
 namespace jami {
 
-GENERICMediaHandler::GENERICMediaHandler(std::map<std::string, std::string>&& ppm,
+GENERICMediaHandler::GENERICMediaHandler(std::map<std::string, std::string>&& preferences,
                                          std::string&& datapath)
     : datapath_ {datapath}
-    , ppm_ {ppm}
+    , preferences_ {preferences}
 {
     setId(datapath_);
     mediaSubscriber_ = std::make_shared<GENERICDATATYPESubscriber>(datapath_);
@@ -24,7 +25,7 @@
 GENERICMediaHandler::notifyAVFrameSubject(const StreamData& data, jami::avSubjectPtr subject)
 {
     std::ostringstream oss;
-    std::string direction = data.direction ? "Receive" : "Preview";
+    std::string_view direction = data.direction ? "Receive" : "Preview";
     oss << "NEW SUBJECT: [" << data.id << "," << direction << "]" << std::endl;
 
     bool preferredStreamDirection = false; // false for output; true for input
@@ -57,8 +58,8 @@
 void
 GENERICMediaHandler::setPreferenceAttribute(const std::string& key, const std::string& value)
 {
-    auto it = ppm_.find(key);
-    if (it != ppm_.end() && it->second != value) {
+    auto it = preferences_.find(key);
+    if (it != preferences_.end() && it->second != value) {
         it->second = value;----------------
         if (key == "PREFERENCE1") {
             // use preference
@@ -69,9 +70,9 @@
 
 bool
 GENERICMediaHandler::preferenceMapHasKey(const std::string& key)
-{
-    ----------------if (key == "PREFERENCE2") { return true; }
-    ----------------return false;
+{----------------
+    if (key == "PREFERENCE2") { return true; }----------------
+    return false;
 }
 
 void