Fix auth handling during OfferCreate (RIPD-414)
Make bind_handler variadic ctor explicit
Add HTTPHeaders::build_map
Enable asynchronous handling of HTTP-RPC (RIPD-390)
* Activate async code path
* Tidy up HTTP server code
* Use shared_ptr in HTTP server
* Remove check for unspecified IP
* Remove hairtrigger
* Fix missing HTTP authorization check
* Fix multisocket flags in RPC-HTTP server
* Fix authorization failure when no credentials required
* Addresses RIPD-159, RIPD-161, RIPD-390
Set version to 0.26.1
Fix macro setting for rocksdb unity file
Detect node store batch write failures (RIPD-270):
* Raise open file limit from the soft max to the hard max.
Remove obsolete nickname support
Cleanups and performance optimizations (RIPD-450):
* Remove AccountItems and AccountItem
* Restructure RippleLineCache to not require shared_ptr
* Avoid expensive copies of base_uint<160> in RippleState
Update Doxyfile (RIPD-175):
* Clean up the include path to reflect updated code structure.
* Update PROJECT_BRIEF to more accurate title.
* Fix location of logo graphic.
* Hide all undocumented classes.
Refactor beast::SemanticVersion (RIPD-199)
Bump ledger_wait timeout for Travis
Add the git tag to the compile (RIPD-238)
Fix Pathfinder::getPathsOut to use Issue
Remove unused code:
* StringConcat was only being referenced by unit test.
* `runall.sh` is no longer needed. Use `npm test` instead.
Refactor SField (RIPD-431)
* Restrict access to SField constructors.
* Make all SField access const.
* Hide and simplify databases used to hold SField constants.
* Separate the two concerns of representing a field,
  and maintaining a database of fields.
Fix unhandled exception in async HTTP server (RIPD-475)
Fix unhandled exception in async HTTP server (RIPD-475)
Add owner_funds to subscription streams (RIPD-377)
Add owner_funds to subscription streams (RIPD-377)