install NodeJS from source for all supported distributions

[Ben Shum]

Evergreen master

Discovered today, the version of NodeJS, etc. that comes with Debian Jessie and Ubuntu Xenial are no longer sufficient to install the web client pre-requisites with. It fails horribly and leads to warnings during npm install, and flat out errors during the grunt all to generate the files.

For Ubuntu Trusty and Debian Stretch, there are no packages available for use, so we've switched in those distributions to use the NodeJS downloaded binary files, which we can also use on the other platforms as well. An initial test seemed to prove this was possible.

Also, noting that the specified NodeJS version we're installing now is older... v6.10.1, but the latest LTS from https://nodejs.org/en/download/ is currently at v6.11.3 and contains security fixes, etc. Should update this to install the latest LTS periodically to match.

Working branch to follow shortly.

[Ben Shum (bshum)]

working branch: user/bshum/lp1718459-nodejs-source-for-all

http://git.evergreen-ils.org/?p=working/Evergreen.git;a=shortlog;h=refs/heads/user/bshum/lp1718459-nodejs-source-for-all

[Galen Charlton (gmc)]

Running with this for beta2. Thanks, Ben!