Use db_desginer.php as a route for all designer operation. Combine pmd_general.lib.php and designer.lib.php into db_designer.lib.php

Signed-off-by: Bimal Yashodha <kb.yashodha@gmail.com>
Resize icons

Signed-off-by: Bimal Yashodha <kb.yashodha@gmail.com>
Merge branch 'master' into designer

Signed-off-by: Bimal Yashodha <kb.yashodha@gmail.com>
Merge pull request #1330 from kb-yashodha/designer

Designer refactoring