Created buttons in range form for infinity symbols.

Signed off by: Diego Araújo <diegoamc90@gmail.com>
Acceptance test for [-INF, INF] threshold
Merge pull request #100 from mezuro/range_inf_buttons

Range inf buttons
Fixed sign in and password recovery pages
Fixed range numericality unit tests and added beginning greater than end validation.

Signed off by: Rafael Manzo <rr.manzo@gmail.com>
Added overlapping ranges validation.

Signed off by: Rafael Manzo <rr.manzo@gmail.com>
Fixed overlapping acceptance test for beginning uniqueness and range intersection
Merge pull request #101 from mezuro/forgot_password_page

Fixed sign in and password recovery pages
Range overlapping does not consider the reange itself for the edition case

Fixed infinity buttons acceptance tests that were trying to create overlapping ranges
Merge pull request #99 from mezuro/range_validations

Range validations
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>
Merge branch 'english_review' of https://github.com/mezuro/prezento into english_review

Conflicts:
	app/views/home/index.html.erb