Initialize t3FillColorOnly
Fallback to 1x1 bitmap If we fail to create the corrent one
Make some pdftops conversions *much* faster

For example: http://ev.kde.org/resources/expense_report.pdf

Without this patch it seems "infinite", which this patch it's a few seconds

The change: Instead of just remembering in xobjStack the set of XObjects (and Patterns,
the variable name was 'wrong') we are currently setting up (i.e. the current chain), we
remember all of them.

This has passed the pdf->ps regression test without a single issue
Update Ed's copyright
0.24.0
glib-demo: Remove GTK_DISABLE_DEPRECATED compilation flag

Deprecations are now compile warnings, there's no reason to make them
fatal.