Library Upgrades

We have dropped support for certain caching types and upgraded some of the libraries.

• Dropped support for the non-thread-safe cache.
• Dropped support for the transactional cache.
• Upgraded to caffeine 2.8.0 for HeapCache.
• Upgraded to spring 5.1.9.RELEASE.
• Added support for put operations with TTL.
• Added CacheStats for all cache types.
• Fixed bugs due to indexing.
• Updated coverage plugin.
• Updated license header.
• Started using maven wrapper.
• Updated formatting to Google Java Style.

imcache redis release

In this release, we introduce support for redis caching.

• We implemented a redis client to communicated redis server.
• We implemented Cache interface for RedisCache by the help of redis clients.
• We added redis cache building logic and updated existing code base.
• We added examples for redis cache.
• We updated documentation for redis cache.

maintenance 1.4

Fixed several bugs.
Rebased some packages.
Added abstraction for CacheBuilder.