[update] SmtpClient: Update nodemailer to version 1.2
[enhance] OAuth:  Minor mod to oauth error handling
[client] straight HTML5 history binding
[fix] compilation for ocamlgraph 1.8.5 or newer
[update] installer:  Update ocamlgraph to 1.8.5
[fix] compiler:  Added missing operator
[fix] syntax:  Fix opa syntax for file
[update] font-awesome
[fix] i18n:  Fix misread http request header
[fix] i18n:  Fix client-side language definition
[feature] Bind sessionStorage and localStorage
[enhance] tools:  Added po2opa temporarily
[fix] tools:  Remove opx dir from po2opa
[enhance] tools:  Added missing po2opa file
[delete] tools:  Remove po2opa
Bootstrap: upgrade to 3.2.0
[fix] oauth:  Improved error handling
Date: Extend date parser with timezone abbreviations (%Z command)
Update README.md
[fix] oauth:  Align with webmail implementation of oauth