Missed merges 9.02 branch

The following changes were checked into the trunk branch but not backported to 9.02.  Please review each change and comment on whether or not it should be backported.

r13879 (royk) Backported r.14515
* fix php warnings on undeclared variables

r13910 (damienh) -- this needs careful attention
custom MDC skin for MindTouch
NOTE (PeteE): the following files are different:
web/skins/fiesta/_common.css
web/skins/fiesta/wireframe/style.css

r13920 (royk) (does not need to be backported, it was an aesthetic cleanup that can go out with the next major - our website has a redirect)
* update desktop suite links

r13938 (royk) Backported r.14514
* fix m.mindtouch.com against the lyons when PHP warnings are enabled

r13988 (steveb) SteveB 26 May 2009: scripts never need backporting since they are published to scripts.mindtouch.com from trunk
petee 26 May 2009: backported in r14520
Deki (trunk):
* is-it-friday.xml: added script to SVN

r14215 (steveb)
Deki (trunk):
* updated binaries (incl. dream cookie fix)
* mindtouch.build.xml: updated version number to 9.2.2  only required the build.xml version update to 9.2.2. committed in r14526

r14202 (steveb)
Deki (trunk):
* DekiWiki-Site: property render scripts using the @default attribute
* syntax2.xml: (Bugs 6206 & 5332) Syntax Highlighter 2.0 (SteveB 26 May 2009: see above note), petee 26 May 2009: backported in r14524

r14297 (mathieuo)  petee 26 May 2009 backported in r14514
- Bug #6126 : updateWiki now gives heads-up on SVN conflicts

r14321 (steveb) (SteveB: compiler warnings clean-up, not essential)
Deki (trunk):
* PageDA: use conditional compilation to disable caching (avoid compiler warning about unreachable code)
* PermissionsDA: use conditional compilation to disable caching (avoid compiler warning about unreachable code)
* DekiWiki-Services: renamed DeleteService() to DeleteSiteService() to avoid naming clash with DreamService.DeleteService()
* DekiWikiService: renamed EmptyResponseCache() to EmptyResponseCacheInternal() to avoid naming clash with DreamService.EmptyResponseCache()
* LicenseBL: removed "new" keyword to avoid compiler warning
* PropertyBL: removed unused local variable to avoid compiler warning
* UserBL: renamed EmptyResponseCache() to EmptyResponseCacheInternal() to avoid naming clash with * DekiScriptException: removed Line and Columns fields as they already exist in the base class
* DekiScriptInterpreter: removed unused local variable to avoid compiler warning
* PageChangeTests: removed unused local variable to avoid compiler warning
* PropertyTests: removed unused local variable to avoid compiler warning
* mindtouch.deki.filter: minor code changes to avoid compiler warnings
* mindtouch.deki.mwconverter: use conditional compilation to disable unused class definition
* DekiLicense: removed unused instance field

r14346 (guerrics) - this is a minor change, doesn't require a backport
* Changed how the special_form.php file gets included

r14386 (arnec)
Deki (trunk):
* Lazy loading XSLT for extension.describe (to take burden off start-up backported in 14525

r14414 (steveb)
Deki (trunk):
* dhtml.xml: work-around for a regression in <eval:foreach> in 9.02 (SteveB 26 May 2009: see above), petee 26 May 2009: backported in r14517

r14415 (steveb)
Deki (trunk):
* DekiScriptDomBuilder: (bug 6379) @test attribute no longer recognized in <eval:foreach>

r14424 (steveb) SteveB 26 May 2009: script, no changes requiress, petee 26 May 2009: backported in r14518
Deki (trunk):
* twitter.xml:
    * updated twitter badge to use usernames instead of user IDs (much less overhead)
    * updated interactive twitter to latest flash control

r14496 (steveb) SteveB 26 May 2009: OMG... don't put this into 9.02.2!!!  Way too experimental! :)
Deki (trunk):
* DekiScriptLibrary: optimized CultureDateTime()
* DekiScriptExpression: optimized DekiScriptExpression Add() and ConvertToXml()
* DekiScriptXmlConstructor: fixed null-ref exception when __safe is not defined in the environment
* ExecutionTests: added tests to check proper handling of body targeting