[Tajo Wiki] Update of "MajorReleaseAnnouncementTemplate" by HyunsikChoi

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The "MajorReleaseAnnouncementTemplate" page has been changed by HyunsikChoi:
https://wiki.apache.org/tajo/MajorReleaseAnnouncementTemplate

New page:
{{{
Apache Tajo (incubating) 0.2 has been released

The Apache Tajo team is pleased to announce the release of Apache Tajo 0.2-incubating, 
a big data warehouse on Hadoop. Tajo uses HDFS as a primary storage layer and provides
low-latency and scalable ad-hoc SQL queries and ETL on a Hadoop cluster. 

This release is available for immediate download: 
  http://tajo.incubator.apache.org/download.html

Apache Tajo 0.2-incubating resolved about 190 issues (73 bug fixes and 56 improvements) 
and includes the following new features :

  * Add cost-based join optimization
  * Allow inline view use (i.e., table subquery) 
  * Add various string functions, such as upper, lower, (L|R)TRIM, split_part, and regexp_replace.
  * Allow in predicate support
  * Improve significantly scan performance
  * Add INSERT OVERWRITE statement
  * Add CREATE TABLE statement
  * Add Tajo to use HiveQL
  * Allow configurable NULL character for CSVFile format
  * Allow compression/decompression of CSVFile (all codecs supported by Hadoop)
  * Add the extensible Rewrite rule engine
  * Add tajo_dump, a backup and restore utility

The Apache Tajo team is looking for more developers and of course users to 
help grow the community and give feedback.  Mailing list information is at: 
   http://tajo.incubator.apache.org/mail-lists.html.

Check Apache Tajo at http://tajo.incubator.apache.org for more information.

Disclaimer
----------
Apache Tajo is an effort undergoing incubation at The Apache Software
Foundation (ASF) sponsored by the Apache Incubator PMC. Incubation is
required of all newly accepted projects until a further review
indicates that the infrastructure, communications, and decision making
process have stabilized in a manner consistent with other successful
ASF projects. While incubation status is not necessarily a reflection
of the completeness or stability of the code, it does indicate that
the project has yet to be fully endorsed by the ASF.
}}}