v0.31.2

Fixes

• nvm ls: avoid use of maxdepth which is not on Solaris/SmartOS (#1121)
• do not print help text on sourcing when an empty .nvmrc file is found (#1113)
• nvm install -s: when “core id” doesn’t appear in /proc/cpuinfo, fall back to counting “processor” lines (#1115)
• On aarch64 use arm64 packages (#1104)
• ensure uname is unaliased (#1105)
• set -u: is variable set test (#1100)
• dash does not support string substitution
• [shellcheck] remove use of expr
• [shellcheck] clean up unquoted args etc
• [shellcheck] add shellcheck override comments

Docs

• [help] Add nvm ls-remote <version> (#1094)
• Slightly elaborated the instruction for manual install (#1114)
• Add info WRT installing on Alpine Linux / Busybox (#1106)
• add some OS X notes to the README (#1101)
• readme cleanups (#1097, #1109)

Tests

• Run node and io.js installation test suites separately
• swap order of slow + sourcing tests