external s3 plugin support

• removed go-lang s3 download, now using an external plugin script to move s3 data
• removed internal cash cleanup
• removed several spurious debug console and log messages

v2.0.1-alpha

Merge branch 'master' of https://github.com/MG-RAST/Shock

v0.9.29

added jenkinsfile
added tests
fixed zip error handling
fixed auth issue

v0.9.27

• bug fixes with locks
• add option to API for running golang trace or profile for short timespan
• overhaul of shock-client CLI
• testing overhaul
  • test files
  • test script
  • container for running shock-client through suite of tests against shock-server

v0.9.26

• remove repeat saves
• fix chunkrecord indexer for fastq and last record
• handle index of empty files gracefully
• overhaul locker, now can lock node, file, index
  • if file locked, unable to download file
  • if index loxked, unable to download using that index
  • locks have timeouts and exist in-memory only
• parts nodes merge is async and locks file during merge
• indexing is async and locks index during build
• add /locker /locked/node /locked/file locked/index resources to view states

v0.9.25

• add node lock to index and acl actions
• fix missing last record index if no ending newline
• made record index parser more robust
• improved error handling and messages
• remove unused index.ReadRaw functions

v0.9.24

• only save node state at end of update
• add node lock for life of update
• use global lock object with timeout and cleanup
• add function trace to error messages
• kill broken download steams more cleanly
• better auth logging

v0.9.23

• fix bug in admin users
• updated auth pkg error handling
• path cleanup

v0.9.22

• update to golang 1.7.6
• added ability to download multiple files (.tar or .zip format) from a list (POST)
  • 2 step process using download_url option
• auth update. now support multiple oauth services at once. requires config file update
  • use: oauth_urls and oauth_bearers
• update error handling in config init / parse
• bug fix: chunkrecord regex

v0.9.21

• graceful error handling of missing .bson file
• add more to preauth return: file size, options used
• added ability to download multiple files (.tar or .zip format) from a query
  • use 'download_url' option in query to get preauth url with archive of files
• add priority field to node along with index and set option
• add configurable max limit to revisions array
• enable preauth download (download_url) for subset nodes
• dockerfile update