Merge pull request #3197 from cmouse/remotebackend-json11

Convert remotebackend to JSON11 and fix some small bugs

diff --cc modules/remotebackend/Makefile.am
index ab73861054b07f8f2778db0a316ceb40e35874b6,304f98e8cd27d06e106fdfe21d9eb15e4d5013b0..1ee7e4b2d2d65abb665818c10eeef85e8fe0543f
--- 1/modules/remotebackend/Makefile.am
--- 2/modules/remotebackend/Makefile.am
+++ b/modules/remotebackend/Makefile.am
@@@ -1,8 -1,7 +1,8 @@@
  AM_CPPFLAGS += \
-       -I$(top_srcdir)/ext/rapidjson/include \
+       -I$(top_srcdir)/ext/json11 \
        $(YAHTTP_CFLAGS) \
        $(MBEDTLS_CFLAGS) \
 +      $(OPENSSL_CFLAGS) \
        $(LIBZMQ_CFLAGS)
  
  AM_LDFLAGS = $(THREADFLAGS)