catch exceptions and show them when validating email
catch exceptions and show them when validating email

UngPirat/freesocial,minmb/statusnet,UngPirat/freesocial,bankonme/gnu-social,gnusocial/mainline,gnusocial/mainline,sikevux/bsk-social,eXcomm/gnu-social,Piratas/tortuga,minmb/statusnet,bankonme/gnu-social,Piratas/tortuga,faulteh/gnu-social,zcopley/StatusNet,furtherfield/gnu-social,faulteh/gnu-social,charnimda/lgbtpzn-social,gnusocial/mainline,chimo/social,furtherfield/gnu-social,Piratas/tortuga,sikevux/bsk-social,bankonme/gnu-social,faulteh/gnu-social,foocorp/gnu-social,d3vgru/StatusNet,charlycoste/StatusNet,studio666/gnu-social,csarven/statusnet,csarven/statusnet,Piratas/tortuga,d3vgru/StatusNet,xebia/statusnet-oauth2,eXcomm/gnu-social,bankonme/gnu-social,minmb/statusnet,csarven/statusnet,furtherfield/gnu-social,zcopley/StatusNet,zcopley/StatusNet,studio666/gnu-social,furtherfield/gnu-social,sikevux/bsk-social,d3vgru/StatusNet,xebia/statusnet-oauth2,charnimda/lgbtpzn-social,foocorp/gnu-social,charnimda/lgbtpzn-social,gnusocial/mainline,eXcomm/gnu-social,eXcomm/gnu-social,chimo/social,studio666/gnu-social,UngPirat/freesocial,sikevux/bsk-social,xebia/statusnet-oauth2,studio666/gnu-social,chimo/social,charlycoste/StatusNet,charlycoste/StatusNet,faulteh/gnu-social,csarven/statusnet,foocorp/gnu-social