Add support for `cascade_strategy` config option to change the way we iterate
through the subs.
Add closing bracket to libc6 dependency declaration
Merge pull request #438 from mattcottingham/dev

Fix libc6 dependency in CMakeLists.txt
Use a const iota-based enum to store the cascade strategy instead of checking
against a string value every time.
Typo.
Merge pull request #437 from mozilla-services/features/multidecoder-cascade-strategy

Add support for `cascade_strategy` config option
Add StatsToFieldsDecoder.
Check errors after opening config file and fetching fileinfo
Add support for generating multiple messages when we have stats with multiple
timestamps.
Merge pull request #442 from mozilla-services/features/stats-to-fields-decoder

Features/stats to fields decoder
Add entry for config file panic fix
Implement `mDRunner`, a wrapper around the dRunner default DecoderWrapper
implementation that a MultiDecoder can hand to any subdecoders that require one.
Add a test for sub-DecoderRunner delegation.
Record change.
Merge pull request #440 from mattcottingham/dev

Fix panic when an invalid config file path is specified
Merge pull request #447 from mozilla-services/features/multidecoder-runner

Features/multidecoder runner
Use a fixed hostname to prevent variability in tests leading to false failures.
Switch to manual statsd message parsing.
Issue #444 Add sandbox configuration options
Merge branch 'dev' into issue_444