WIP: 2020 01 19 wasmer

[thedavidmeister]

PR summary

HDK progress

• globals
  • can_use_globals runs
• call
  • shows that there is a bug in the way serialization works for results, requires weird hacking, not sure about ramifications of this
  • ideally i'd like to include a validity check on JsonString that doesn't accept invalid json so i don't have to manually audit this
• capability
  • no tests in the hdk tests that i can see
• commit_entry
  • can_commit_entry_macro passes
• debug
  • debug works
• decrypt
  • there are no tests for decrypt in hdk
• emit_signal
  • test_signal passes
• encrypt
  • there are no tests for encrypt in the hdk
• entry_address
  • can_check_app_entry_address
  • can_check_sys_entry_address
• entry_type_properties
  • test_get_entry_properties passes
• get_entry
  • can_get_entry_ok
  • can_get_entry_bad
• get_links
  • test_links_with_load
• keystore
  • there are no tests for keystore in the hdk
• link_entries
  • can_roundtrip_links
• property
  • there are no tests for property in the hdk
• query
  • can_check_query
• remove_link
  • there are no tests for remove_link in the hdk
• send
  • there are no tests for send in the hdk (there is one elided by the compiler as broken-tests)
• sign
  • test_signing passes
• sleep
  • smoke test seems to work, returns ok
• update_entry
  • there are no tests in the hdk for update_entry
• remove_entry
  • there are no tests in the hdk for remove_entry
• show_env
  • show_env passes

testing/benchmarking notes

( if any manual testing or benchmarking was/should be done, add notes and/or screenshots here )

followups

( any new tickets/concerns that were discovered or created during this work but aren't in scope for review here )

changelog

• if this is a code change that effects some consumer (e.g. zome developers) of holochain core, then it has been added to our between-release changelog with the format

- summary of change [PR#1234](https://github.com/holochain/holochain-rust/pull/1234)

documentation

• this code has been documented according to our docs checklist