Documents the neutron-debug command

added documentation to the cli manual for the
neutron-debug shell extention
fixed niceness

Change-Id: I50cb7bb91accb7a13a7961e02c2b43cc49c7be4f
Closes-Bug: 1224160
Updated MySQL server configuration to use UTF-8

I updated the MySQL server configuration section to use the UTF-8
character set by default for table creation. I also modified the
structure to use a procedure which agrees with conventions.

Change-Id: I44fd8171ae27f21d44991f2942117fa42b8d3314
Closes-Bug: #1292934
Merge "Documents the neutron-debug command"