Use mintaka shared libraries (#1)

* Add libhv and test http client

* Remove cpp-httplib

* Update premake5.lua

* Update client.cpp

* Update premake5.lua

* Add more windows libs

* Use mintaka http client

scripts/premake.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env sh
+
+if [ "$(expr substr $(uname -s) 1 5)" = "Linux" ]
+then
+    ./vendor/premake/linux/premake5 gmake2
+
+elif [ "$(uname)" = "Darwin" ]
+then
+    ./vendor/premake/mac/premake5 xcode4
+fi