Populate celltable with example data.

Populate celltable with example data.

* src/org/glom/web/client/GlomDocument.java: Correct formatting.
* src/org/glom/web/client/GlomTable.java: Correct formatting.
* src/org/glom/web/client/LayoutList.java: Renamed from ListLayoutTable.java,
add LayoutListDataProvider to CellTable, add simpler pager (not working yet).
* src/org/glom/web/client/LayoutListDataProvider.java: New file,
asynchronously gets the example data.
* src/org/glom/web/client/LibGlomService.java: Add getTableData() method.
* src/org/glom/web/client/LibGlomServiceAsync.java: Add getTableData() method.
* src/org/glom/web/client/OnlineGlom.java: Allow service proxy object and
curently selected table to be retrieved by other widgets.
* src/org/glom/web/server/LibGlomServiceImpl.java: Correct formatting,
implement getTableData() in a hacky way. This method needs to be updated
to grab information from the database when database creating is
implemented.