- Added namespaces, use statements
- Added missing docblocks etc
- Uses SS4's new Cache system
- Uses proper environment vars
- Cannot instantiate 'FileTextCache' (interface) as a service. This can be configured through YML, so default to FileTextCache_Cache
- Modded YML config to make it run.
- Fixes to allow TIKA to actually get file contents.
- Addresses issues raised by @robbieaverill
- Rebased against github.com/silverstripe/silverstripe-textextraction:master
- Replaced `SS_Log` with Monolog.
