configure: enable all compiler warnings

refs #166
Merge branch 'compiler-wall' of /git/repositories/labs/knot
Updated the README file.
Added missing info to the README file.
knotd: add check for non-option parameters

refs #171
Fixes in README.

- Typos
- New RCU source archive link
- Wrap
config parser: do not output garbage when braces are unbalanced

refs #172
Update README
Merge branch 'readme-up' of /git/repositories/labs/knot
Updated to 1.3.2