refactor to explicit db connection
add .travis.yml
Update README.md
factor out swap method in MigrationHandlingTest
add task runScript
wrap Kleisli Dependencies into Has traits
Merge branch 'master' of https://github.com/davidpeklak/smt

Conflicts:
	src/main/scala/smt/Handling.scala
	src/main/scala/smt/SMTImpl.scala
synchronize freaking MessageDigest
refactor Has traits to type-classes
introduce user and remark in handling
introduce user and remark in smt settings
add new miration columns user and remark to sql db
add LICENSE
improve resource closing on errors
Merge branch 'master' of https://github.com/davidpeklak/smt
remove description from ConnectionHandling
indicate failure in runScript
improve showing of latest common
introduce DirCrawlers
introduce migration-specific script transformations