-First attribute grammer trials
-Fix cabal build
-Fix test building when using uuagc
-ADapt to new test suite
Merge branch 'master' into uuagc

Conflicts:
	project1/src/Bibtex.hs
-Add forgotten Tree instance
Merge branch 'master' into uuagc
-Adapt BibtexDb test
Merge branch 'master' into uuagc

Conflicts:
	project1/src/ParseBib.hs
Merge branch 'master' into uuagc
Merge branch 'master' into uuagc

Conflicts:
	project1/testsuite/Utility.hs
Merge branch 'master' into uuagc