Feature/ws windows (#86)

* try to build ws on window on travis 📮

* cmake invocation fixed on windows 🐝

* Can use mbedtls to calculate hmac + no openssl config option

* build only windows on travis 🕢

* run msbuild 💷

* proper command to build 🕛

* some build fixes

* change weird sizeof call 🐙

* warning and missing includes fixes 💮

* ifdef out statsd code on windows 🐍

* logic invertion in ifdef 👄

* bring back makefile 📜

* command line tool is built with mbedtls 🏥

ws/ws_send.cpp

@@ -94,7 +94,7 @@ namespace ix
         std::streamoff size = file.tellg();
         file.seekg(0, file.beg);
 
-        memblock.resize(size);
+        memblock.resize((size_t) size);
         file.read((char*)&memblock.front(), static_cast<std::streamsize>(size));
 
         return memblock;