Implements `or` and `and` for futures. Ref #1487.
fixes #1334
minor improvements for the FAQ
Merge branch 'devel' of github.com:Araq/Nimrod into devel
fixed #1491
Merge pull request #1495 from barcharcraz/fix1491

fixed #1491
documented the JS codegen
fixes #1418
Merge branch 'devel' of https://github.com/Araq/Nimrod into devel
added bug number to comment
fixes recently introduced regression
Merge branch 'devel' of https://github.com/Araq/Nimrod into devel
Fixed gcsafe in asynchttpserver module.