[RigoDaemon] signal preserved libraries through preserved_libraries_available()
[Rigo] make possible to toggle the VteTerminal scroll-on-output mode
[Rigo] add support for basic preserved libraries notification
[Rigo] update rigo.pot
[Rigo] update translations
[RigoDaemon] add debug output on _authorize callback method
[entropy.client.package] fix regression in .edelta files download support
[entropy.fetchers] clean code a bit
[entropy.fetchers] do not print "Infinity" but rather warn about the accuracy
Release Entropy 236
Tagging Entropy version 236
[entropy.client.interfaces.sets] fix undefined variable: err
[entropy.qa] move ELF file checks to separate unified function, add debug dir check
[entropy.qa] _is_elf_executable_or_library: add allow_symlink keyword arg
[entropy.qa] _get_unresolved_sonames: filter symlinks from elf_files
[entropy.qa] rewrite _get_unresolved_sonames: reduce false positives

Use the provided libraries metadata instead of the content metadata,
which may be really large and error prone. Improve speed and memory
usage as well.
[entropy.tools] read_elf_real_dynamic_libraries: correctly filter out elf_file
[entropy.qa] _get_unresolved_sonames: try to resolve the lib using its real path
Release Entropy 237
Tagging Entropy version 237