ensure we use integers for node abi version - in the case of node v0.11.3 this converts 0x000C -> 12
make note of when process.versions.modules became visible
add script to build a cross walk from node semver to process.versions.modules value - refs https://github.com/developmentseed/node-sqlite3/wiki/Binaries
also test v0.11.3
Revert "also test v0.11.3"

This reverts commit 2572bb866ff624e97f429f30a53854d25ea8f0bd.
bump to v2.1.17 with fix for process.versions.module display: 0x000C -> 12