Code refactoring.

Signed-off-by: Carl Thronson <cthronson@actuate.com>
Code refactoring.

Signed-off-by: Carl Thronson <cthronson@actuate.com>
Merge pull request #40 from carlthronson/master

Code refactoring.
Merge pull request #41 from sguan-actuate/master

fix bug 455693, background image is shifted.
Added backward compatibility to property check
Bug 456110 - Expression builder for default parameter values includes variables category.

Signed-off-by: Carl Thronson <cthronson@actuate.com>
Merge pull request #42 from carlthronson/master

Bug 456110 - Expression builder for default parameter values includes va...
Move some utility methods from API package to avoid class loading issue