updated sbt project for jenkins
adapted date tests to the new api
updated tests to fit the new public API
Merge branch 'master' of https://github.com/skill-lang/skillScalaTestSuite
fixed annotation tests
added very simple subtypes test
added scalac utf8 encoding
added scalac utf8 encoding
added a meaningful sub types test
added more meaningful date tests
added expected messages to error reporting tests
updated date append test to contain code for a one-state and a two-states version of appends
added a tool-chain test for the node examples
improved node toolchain core test
updated toolchain node core tests
added more node tests
improved node toolchain test
simplified node tests
fixed invoke creator implementation
added check for inexistent files