rules: Disable silent rules

Makes the build output more useful in tha failure cases.
control: Fixed neard package description

That fixes:

E: neard: description-starts-with-package-name
control: Get proper hardening flags

By bumping debhelper dependency to 9. --enable-debug then becomes irrelevant.
rules: Handle cross build properly
control: Add Standards-Version
control: Add misc:Depends to neard-tool dependencies
control: Add python to the build dependencies

This is needed for dh_python2 and lintian warns us about it:

E: neard source: missing-build-dependency-for-dh_-command dh_python2 => python
| python-all | python-dev | python-all-dev
E: neard source: missing-build-dependency-for-dh-addon python2 => python |
python-all | python-dev | python-all-dev
changelog: Fix changelog days

copy and paste is bad for you...
changelog: Bump to 0.10-4`