dinit/contrib/sysv-compat

Some hacks for compatibility with sysvinit
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These files designed for more smooth switching between sysvinit and dinit.

Currently it has these files:

- `40-dinit`: This script will forward sysv script to their equivalents if they have dinit equivalents.
Should be installed in directory that sourced by init-functions. For example in /lib/lsb/init-functions.d/
for Debian systems.