ISPN-3290 Redesign CacheStore API

* removed migration tools (outdated)
ISPN-3290 Redesign CacheStore API

* removed pre 6.0 parsers and config files
ISPN-3290 Redesign CacheStore API

* removed existing SPI and store support classes: bucket based, lock support
ISPN-3290 Redesign CacheStore API

* new loader/writer SPI
ISPN-3290 Redesign CacheStore API

* implemented the cache store chaining logic
ISPN-3290 Redesign CacheStore API

* updated configuration
ISPN-3290 Redesign CacheStore API

* SingleFileCacheStore migration
ISPN-3290 Redesign CacheStore API

* migrate the JDBC cache store
ISPN-3290 Redesign CacheStore API

* removed old adaptor classes
ISPN-3290 Redesign CacheStore API

* migrate lucene loaders
ISPN-3290 Redesign CacheStore API

* migrate JCache adapters
ISPN-3290 Redesign CacheStore API

* migrate the remote cache store
ISPN-3290 Redesign CacheStore API

* migrated the cluster store
ISPN-3290 Redesign CacheStore API

* bug fix: for named components (the marshaller) it wrongly considered it as a global component
ISPN-3290 Redesign CacheStore API

* fixed tests and code scrubbing