tools/CleanupTranslations: close stream resources

br would not be closed if there were no changes.
fis and isr were never closed.
support/BinaryBloomFilter: close file

It was not closed otherwise.

Note that the file and channel can be closed without affecting the
ByteBuffer map.
support/CountingBloomFilter: close file

It was not closed otherwise.
pluginmanager: close resource stream
async/ContainerInserter: close stream even on an exception
updater/MainJarDependenciesChecker: close streams
Merge branch 'static-analysis' into next