Fix many of the GTK3-related deprecation warnings.

git-svn-id: svn+ssh://svn.code.sf.net/p/gnomesword/code/trunk@4445 da23c209-522a-4b7c-92e9-24af42be4764
Updated sword patch.

git-svn-id: svn+ssh://svn.code.sf.net/p/gnomesword/code/trunk@4446 da23c209-522a-4b7c-92e9-24af42be4764
update gtk[23] diffs to avoid #if excesses.


git-svn-id: svn+ssh://svn.code.sf.net/p/gnomesword/code/trunk@4447 da23c209-522a-4b7c-92e9-24af42be4764