Configure GEDS in a config object, fix off-by-one in S3 and report errors in TcpTranport.

What's Changed

• Use a config object to configure GEDS by @pspoerri in #22
• Java: Configure GEDS using string types and bump Java API version by @pspoerri in #40
• GEDSConfig: Log if configuration is not available. by @pspoerri in #41
• Fix docker builds by @pspoerri in #43
• GEDS: Fix object store registration. by @pspoerri in #44
• GEDS: Always delete local file on close. by @pspoerri in #45
• Fix GEDS Config and add optional length to S3 stream. by @pspoerri in #46
• Java: Support ByteBuffer with both on Heap and off Heap memory. by @pspoerri in #48
• GEDSFile: Obtain raw pointer from ByteBuffer. by @pspoerri in #49
• Cache Metadata Server responses. by @pspoerri in #27
• GEDS Cache: Cache object on lookup. by @pspoerri in #51
• CLA: Fix address in GEDS_CLA_Corporate. by @pspoerri in #53
• TcpTransport: Only open local files by @pspoerri in #52
• GEDS: Implement reopen on read failures. by @pspoerri in #55
• TcpTransport: Set ctx->state to Idle once an error is received and fix handling of crashed endpoints. by @pspoerri in #56
• Grafana: Add a basic version of the GEDS dashboard for Spark. by @pspoerri in #57
• Minor fixes by @pspoerri in #58
• Add operator= to StatisticsGauge, integrate LocalStorageSize and LocalMemorySize. by @pspoerri in #59
• Fix Off-by-One in S3, return error code on TcpTransport and add fsync to LocalFile. by @pspoerri in #60

Full Changelog: v0.8...v0.8.1