Commit for review - multiple pages in designer

Signed-off-by: Bimal Yashodha <kb.yashodha@gmail.com>
Show only visible tables

Signed-off-by: Bimal Yashodha <kb.yashodha@gmail.com>
PDF pages are managed from designer

Signed-off-by: Bimal Yashodha <kb.yashodha@gmail.com>
Pass constraints for hidden tables also

Signed-off-by: Bimal Yashodha <kb.yashodha@gmail.com>
Initially show all tables

Signed-off-by: Bimal Yashodha <kb.yashodha@gmail.com>
Remove references to designer_coords and designerwork

Signed-off-by: Bimal Yashodha <kb.yashodha@gmail.com>
Fix tests

Signed-off-by: Bimal Yashodha <kb.yashodha@gmail.com>
Close the dialog

Signed-off-by: Bimal Yashodha <kb.yashodha@gmail.com>
Merge pull request #1232 from kb-yashodha/multipages1

Complete multipages functionality in designer