otr: do no conflict with encryption_ng

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
scripts: require gawk for sorting includes

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
scripts: support moc includes in .cpp files

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
scripts: support moc includes in .cpp files

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
code: sort includes

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
scripts: fix find-inconsistent-plugin-dependencies.sh script

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
plugins: fix plugin dependencies

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
code: update copyright notes

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>