Public API hardening tracking issue

[trws]

This is an aggregator for general discussion of the public API rework.

• Define a split between public and private API: Separate public and private API #172
• Remove zmsg_t from public facing interfaces: Flux API: replace zmsg_t with new opaque type #168
• Flux API: replace json_object with string: Flux API: replace json_object with string #169
• reactor callback prototypes need redesign reactor callback prototypes need redesign #124
• implement generic flux_open() implement generic flux_open() #178
• API: move module interfaces out of libflux-core.so API: move module interfaces out of libflux-core.so #179
• API: remove deprecated functions API: remove deprecated functions #180
• API: improve flux handle message counter interface API: improve flux handle message counter interface #183
• make comms module main() prototype conform to RFC 5 make comms module main() prototype conform to RFC 5 #184
• create asciidoc section 3 man pages for flux api create asciidoc section 3 man pages for flux api #190

[garlick]

I think this tracking issue has pretty much served its purpose, closing.