Adds db-nosync option allowing disable of disk sync in factors and servlets.
Replaces github.com/snormore/sky references with github.com/skydb/sky.
Fixes factors test name.
Remove extended constructors for nosync option. Add method for setting nosyc option in Server and DB. Seperate Options() for Servlet. Use NoSync throughout, no need for db prefix.
Use servlet Options method instead of fdb.
Merge pull request #111 from snormore/add_nosync_option

Adds a command line option -db-nosync that provides the ability to use mdb.NOSYNC