Options: http://www.techrepublic.com/blog/the-enterprise-cloud/help-my-sql-server-log-file-is-too-big/
Ref:
Snippets:
Find Transaction Mode
SELECT name, recovery_model_desc
FROM sys.databases
Set Recovery Mode to Simple (for dev dbs, never for PROD)
ALTER DATABASE my_awesome_db
SET RECOVERY SIMPLE
Shrink Log File
From ssms: