Monthly installments implementation using conekta.js
Merge pull request #32 from supherman/installments-implementation-fix

Installments implementation fix
Escape pny ossible html content in the conekta gateway options
Merge pull request #33 from supherman/installments-implementation-fix

Escape any possible html content in the conekta gateway options
Run notification action after a given time to avoid a race condition with the conekta.js response processing