XHTML Compliance

VPN - OpenVPN - Client Specific Overrides
bring up appropriate interface for GRE/GIF. Ticket #3281
update year, links for 2.1.1
Merge pull request #996 from N0YB/RELENG_2_1

XHTML Compliance
Couple Corrections

Table Cell Close Location
Style Border Typo
Merge pull request #998 from N0YB/RELENG_2_1

Couple Corrections
default openssl to 2048
XHTML Compliance

VPN - IPsec - Tunnels
Merge pull request #999 from N0YB/RELENG_2_1

XHTML Compliance
Remove unecessary quotes
Skip input validation when choosing an existing certificate, it should fix #3505