Check table when Translator is created

and throw a CompilationException when table contains errors.
Also added TranslationException, which is thrown when a translation fails
Add binding for lou_registerTableResolver
Add custom TypeMapper to map from java.io.File to char*
Change "table resolver" into a function the resolves a table *list*
Slightly change TableResolver API
Set jna.nosys during tests
Prepare for release 1.2.0
Release 1.2.0
Bindings for lou_registerLogCallback and lou_setLogLevel
Binding for lou_dotsToChar + new "display" function

Takes a Unicode braille string and returns the (ASCII) encoded string