v5.0.0

If you are upgrading: please see UPGRADING.md.

Changed

• Breaking: bump abstract-leveldown (e6b9182, 271894f) (Vincent Weevers)
• Breaking: upgrade to RocksDB 6.17.3 (060d182) (Denis Yaremov)
• Move RocksDB to git submodule (1b6ea11, 28b37fa) (Philippe Schommers)
• Replace Ubuntu 16.04 with CentOS 7 for prebuilds (#153) (6b2ebb7) (Vincent Weevers). This makes the prebuilt binary for linux compatible with Debian 8, Ubuntu 14.04, RHEL 7, CentOS 7 and other flavors with an old glibc.
• Bump node-gyp from 5.x to 7.x (2d20d18, 9d36809) (Vincent Weevers)
• Bump node-gyp-build and unlock napi-macros (4c45b5f) (Vincent Weevers)
• Skip stack exhaustion test (69e3dcb) (Vincent Weevers)
• Refactor initial seek (949afd2) (Vincent Weevers)
• Make iterator seek target a local variable (9b08726) (Vincent Weevers)
• Refactor initialization of range options (99918c5) (Vincent Weevers)

Added

• Add manifest (Level/community#83) (5eee577) (Vincent Weevers)
• Test that empty range options are ignored (4888b97) (Vincent Weevers)

Removed

• Breaking: drop node 8 (Level/community#98) (05aefaa, fd69183) (Vincent Weevers)
• Remove default export (Level/community#87) (43c1544) (Vincent Weevers)

Fixed

• Hide symbols on mac with -fvisibility=hidden (#150) (e2e09c9) (Vincent Weevers)
• Close db in stack-blower test (1925392) (Vincent Weevers)
• Fix test-gc script (2c41d3b) (Vincent Weevers)