refine the warning logic; previous behaviour was too spammy
- separate the "make sure we have strong rng" logic away from "warn about system rng"
- limit the number of "system rng only" warnings to 20
- tweak error messages to be more consistent and shorter
Tune @infinity0's warn logic a bit

https://github.com/vibornoff/asmcrypto.js/pull/39
Make compiled output independent from `--with` arguments ordering
Remove .gitmodules
Merge branch 'infinity0-master'
Fix PhantomJS timeout
package.json: fix version & retag