EMIR support and more testing of setup script:

EMIR support and more testing of setup script:
- EMIR support:
  - emir-serp or emird packages
  - add to /etc/rc.local if necessary
  - enable on Debian if necessary
  - URL needs to be specified (commented out example)
- install L&B 4.x database migration script, tune setup script
- fix detection of MySQL tables with newer MySQL
- escape "other options" in the example
- search dynamically for proper libglobus_gssapi_gsi.so.* library to use for GSI mode under Heimdal Kerberos
- check sudo in BDII section.
- speech-less witch and corrections