grc: yet another py26 incompatibility
grc: fix search entry box for old PyGTK versions
grc: update all flowgraphs when hiding port labels
grc: no icon in search entry box for old PyGTK versions
grc: fix lagging drag and drop
grc: fix missing xterm (Bug #725)
grc: fix lagging drag and drop, round two
Merge remote-tracking branch 'gnuradio-wg-grc/maint_grcwg' into maint