Merge pull request #110 from upserve/fix_docs

Add some diagrams to the readme and fix docs

Merge pull request #110 from upserve/fix_docs

Add some diagrams to the readme and fix docs

Merge pull request #115 from upserve/logging_HQ-9404

upgrade log4j

Merge pull request #114 from upserve/add_profile_name_to_store_builder

Add a profile string to the AppendOnlyStoreBuilder

Merge pull request #112 from upserve/lookup_data_metrics

add metrics for lookup data

Merge pull request #111 from upserve/lower_metadata_cache_size

lowering cache size to prevent out of memory errors

Merge pull request #109 from upserve/madvise_jnr

Madvise jnr

Merge pull request #107 from upserve/write_lock_contents

Testing write lock contents

Merge pull request #104 from upserve/file_descriptor_leak

Fix file descriptor leak in Files.list method. Stream must be closed.

Merge pull request #103 from upserve/fix_counter_store_test

Fix test that caused intermittent failure