Bug 13638 - Don't crash when validating a color change in the background dialog, see #13638, comment #3.

Cherry-pick from trunk@34396. By jbrefort

git-svn-id: svn+ssh://svn.abisource.com/svnroot/abiword/branches/ABI-3-0-0-STABLE@34661 bcba8976-2d24-0410-9c9c-aab3bd5fdfd6
Bug 13835 - Do not remember click type when scrolling (#13635).

Cherry-pick from trunk@34410. By jbrefort

git-svn-id: svn+ssh://svn.abisource.com/svnroot/abiword/branches/ABI-3-0-0-STABLE@34662 bcba8976-2d24-0410-9c9c-aab3bd5fdfd6
Bug 13629 - Avoid crashes when loading a file with multiple text frames.

Cherry-pick from trunk@34431. By jbrefort.

git-svn-id: svn+ssh://svn.abisource.com/svnroot/abiword/branches/ABI-3-0-0-STABLE@34663 bcba8976-2d24-0410-9c9c-aab3bd5fdfd6
Bug 13649 - Fix crash on empty hyperlinks in RTF files.

Cherry-pick from trunk@34569. By jbrefort

git-svn-id: svn+ssh://svn.abisource.com/svnroot/abiword/branches/ABI-3-0-0-STABLE@34664 bcba8976-2d24-0410-9c9c-aab3bd5fdfd6