Exception notification for production environment
Fixed Module Tree acceptance tests that was failling randomly
Merge pull request #102 from mezuro/exception_notifier

Exception notification for production environment
Merge pull request #103 from mezuro/fixing_module_tree_acceptance_tests

Fixed Module Tree acceptance tests that was failling randomly
Reviewed humans.txt, index and tutorials
Fixing english errors, blank spaces and strings in general.

Signed off by: Renan Fichberg <rfichberg@gmail.com>

Signed off by: Alessandro Palmeira <alessandro.palmeira@gmail.com>
Signed off by: Daniel Alves <danpaulalves@gmail.com>
Signed off by: Daniel Bucher <daniel.bucher88@gmail.com>
Signed off by: Diego Araujo <diegoamc90@gmail.com>
Signed off by: Heitor Reis <marcheing@gmail.com>
Signed off by: Rafael Manzo <rr.manzo@gmail.com>
Signed off by: Renan Fichberg <rfichberg@gmail.com>
Fixed grammar, strings and blank spaces.