hide boost warnings (no more warnings!), update alert key, add
generatekey/createalert/signalert/sendalert admin-only commands + more
- add root (find root username) admin-only command
- fix root user detection
- add rootuser to getinfo output
- update nsis logos/icons
- fix nsis script file
- fix genbuild.sh
- rearrange code
add fixups for MSVC2012 / Qt 5.1, HAVE_BUILD_INFO by default

must run genbuild.sh before building!
update osx / unix makefiles