Add support for more spec-conforming TMS tilers.
Fix whitespace
Merge pull request #1983 from AnalyticalGraphicsInc/tms

Add support for more spec-conforming TMS tilers.
Fix CZML Sandcastle example to work standalone.

The script tag was in the wrong place so I just had to resave it.
Merge pull request #1990 from AnalyticalGraphicsInc/fix-sandcastle

Fix CZML Sandcastle example to work standalone.
Merge branch 'master' into sandcastle-pics