fixing server-id setting name, according to doc here:
http://dev.mysql.com/doc/refman/5.5/en/mysqld-option-tables.html
LWRP setting corrected to right name
Update default.rb
Corrected test
Tests fixed
Merge pull request #1 from sebbrandt87/master

	Corrected test
Merge pull request #32 from grelkin/master

fixing server-id setting name, according to doc here: