Tidy up "system_advanced_misc.php" XHTML

Tidy up HTML Boolean operator
Remove redundant closing slash and chevron
Tidy up "services_captiveportal_zones.php" XHTML

Add SUMMARY to tables
Close IMG and add ALT
Close INPUT
Move NOWRAP to class
Deprecate ampersand
Swap BODY with php statement
Remove redundant closing TR and TABLE
Tidy up "services_captiveportal.php" XHTML

Add "closehead" variable, move script into HEAD and close head manually
Add CDATA sections to SCRIPT
Add SUMMARY to tables
Update HTML Boolean Operators
Close INPUT
Remove duplicate closing TR
Add opening TR
Add closing TD
Change "_new" to "_blank" in anchor tag
Tidy up "services_captiveportal_mac.php" XHTML

Swapp BODY and php statement
Close INPUT
Close IMG and add ALT
Deprecated ampersand
Add SUMMARY to tables
Move NOWRAP to class
Tidy up "services_captiveportal_ip.php" XHTML

Swap BODY with php statement
Add SUMMARY to tables
Close IMG and add ALT
Deprecate ampersand
Move NOWARP to class
Close INPUT
Tidy up "services_captiveportal_hostname" XHTML

Swap BODY with php statement
Add SUMMARY to tables
Close IMG and add ALT
Deprecate ampersand
Update HTML Boolean operators
Close INPUT
Tidy up "services_captiveportal_vouchers" XHTML

Add closehead varaiable, move script into HEAD and close HEAD manually
Add BODY
Remove unordered list tag
Update HTML Boolean Operators
Close INPUT
Deprecate ampersand
Close IMG and add ALT
Add CDATA sections to script
Tidy up "services_captiveportal_filemanager" XHTM

Swap BODY and ph statement
Add SUMMARY to tables
Deprecate ampersand
Close IMG and add ALT
Move NOWRAP to class
Close INPUT
Tidy up "services_captiveportal_hostname" XHTML

Swap BODY with php statement
Add SUMMARY to tables
Close IMG and add ALT
Deprecate ampersand
Update HTML Boolean operators
Close INPUT
Merge pull request #1045 from ExolonDX/branch_master_01

Tidy up "system_advanced_misc.php" XHTML
Merge pull request #1046 from ExolonDX/branch_master_02

Tidy up "services_captiveportal_zones.php" XHTML
Merge pull request #1047 from ExolonDX/branch_master_03

Tidy up "services_captiveportal.php" XHTML
Merge pull request #1048 from ExolonDX/branch_master_04

Tidy up "services_captiveportal_mac.php" XHTML
Merge pull request #1049 from ExolonDX/branch_master_05

Tidy up "services_captiveportal_ip.php" XHTML
Merge pull request #1050 from ExolonDX/branch_master_07

Tidy up "services_captiveportal_vouchers" XHTML
Merge pull request #1051 from ExolonDX/branch_master_08

Tidy up "services_captiveportal_filemanager" XHTM
Merge pull request #1052 from ExolonDX/branch_master_09

Branch master 09
Fix variable name, it's not necessary to check since it is always set at ipsec.inc
Tidy up "functions.inc"

Escape single quotes for TABLE and HREF
Updated closing TR tag
Tidy up "services_dhcp_relay.php" XHTML

Add "closehead" variable and close HEAD manually
Add CDATA sections to scripts
Add summary to TABLES
Add missing closing FORM if DHCP is enabled
Update HTML Boolean operators
Close INPUT