Add the table name to the URL token for the ListPlace.

Add the table name to the URL token for the ListPlace.

This makes things consistent between the DetailsPlace and the
This makes things consistent between the DetailsPlace and the
ListPlace. It also allows the the ListPlace to be bookmarked.

* src/main/java/org/glom/web/client/OnlineGlomService.java:
* src/main/java/org/glom/web/client/OnlineGlomServiceAsync.java:
* src/main/java/org/glom/web/server/OnlineGlomServiceImpl.java:
Remove getDefaultListLayout(). The default layout is now returned
by the getListLayout() method when the table name is an empty string.
* src/main/java/org/glom/web/client/activity/ListActivity.java:
Add table name field. Change to a new ListPlace when the table
has been changed. Use getListLayout() for getting the default
list layout.
* src/main/java/org/glom/web/client/activity/TableSelectionActivity.java:
Add table name field. Set the correct table name in the list box
when loading from bookmark. This corrects a problem for the
DetailsPlace too.
* src/main/java/org/glom/web/client/place/DetailsPlace.java:
Move table name to super-class (HasSelectableTable). Move document
and table URL keys to super-class in HasSelectableTable.
* src/main/java/org/glom/web/client/place/HasSelectableTablePlace.java:
Add table name field. Add Tokenizer class with URL key common to
the subclasses (DetailsPlace and ListPlace).
* src/main/java/org/glom/web/client/place/ListPlace.java:
Add table name. Add code to parse the URL token.
* src/main/java/org/glom/web/client/ui/DocumentSelectionViewImpl.java:
Update ListPlace construction with empty table name string.
* src/main/java/org/glom/web/client/ui/TableSelectionView.java:
* src/main/java/org/glom/web/client/ui/TableSelectionViewImpl.java:
Change setTableSelectedIndex(int) to setSelectedTableName(String).
Update ListPlace construction with table name string.
* src/main/java/org/glom/web/shared/layout/LayoutGroup.java:
Change defaultTableName field to tableName to reflect how it's now
used. Update the getter and setter methods.