Changes here and there
Merge branch 'master' of https://github.com/subodhvsharma/unfolding-concur
Polishing introduction
Merge branch 'master' of https://github.com/subodhvsharma/unfolding-concur

Conflicts:
	05-equivalence.tex
Merge branch 'master' of https://github.com/subodhvsharma/unfolding-concur
Introduction