Create README.md
fixed readme
rewording
Update README.md
Merge branch 'libdfscache'

merge libhdfs to master
merge readme
Merge pull request #3 from ImpalaToGo/merged_hdfs_v4.20

Merge Cloudera release v.2.0 cdh-4.7 to ImpalaToGo
Add impalad startup arguments for cache configuration : cache location, percent of available space to be consumed by cache
Fix in managed file deletion flow. Logging of LRU cache initialization and cleanup parameters
add support for "CREATE FROM SELECT" scenario, when the file should be written locally and remotely
change in lookup of opened for write handles
managed file deletion is more safe in regards to existing client
Fix in LRU cache capacity update from lazy items
Fix in temporary table creation, file path construction to be compatible with s3
CREATE FROM SELECT scenario fix : fix the add the amorphous file (non-backed with physical one) to the cache. timestamp retrieval fix
CREATE FROM SELECT scenario fix : fix the flag in use for local (cache) file opening. Fix registration logic.
CREATE FROM SELECT scenario : provide the local and remote "rename" operation
unsubscribe from managed file users in "rename" scenario
local file rename fix
Add delete file and delete path API implementation