digital: a block should not hold a reference to itself
grcc: set grc file path, which is required for hier blocks
wxgui: fix exception in callback before label set
Merge branch 'maint'
digital: HPD now uses a registered message handler
digital: HPD: fixed tag propagation, minimized calls to work()
digital: fix typo
Merge branch 'maint'
digital: remove stray header file from earlier merge
uninstalled import: Adding overlooked exception handling around imports.
grc: fix usage of file descriptor source/sink