SQOOP-690: Fix threading issues in SqoopOutputFormatLoadExecutor

(Hari Shreedharan via Jarek Jarcec Cecho)
SQOOP-702: Refactor OutputLoadExecutor

(Hari Shreedharan via Jarek Jarcec Cecho)
SQOOP-707 Update developer list in Sqoop 2 pom file
(Jarek Jarcec Cecho)
SQOOP-704 Exclude patches from RAT checks in Sqoop2
(Jarek Jarcec Cecho)
SQOOP-710 Fall back to released version of commons-cli 1.2
(Jarek Jarcec Cecho)
SQOOP-713 Introduce maven profiles for different Hadoop versions
(Jarek Jarcec Cecho)
SQOOP-714 Make map reduce code compatible with Hadoop 1
(Jarek Jarcec Cecho)
SQOOP-715 Add support for Hadoop 1 to addtowar.sh script
(Jarek Jarcec Cecho)
SQOOP-708: Create documentation for Sqoop 2 client.

(Jarek Jarcec Cecho via Kathleen Ting)
SQOOP-667 Persist all properties of MSubmission metadata
(Jarek Jarcec Cecho)
SQOOP-673 Call update() only in job running status
(Jarek Jarcec Cecho)
SQOOP-677 Destroyer needs to be called from OutputCommitter
(Jarek Jarcec Cecho)
SQOOP-716 Create server notification REST callback
(Jarek Jarcec Cecho)
SQOOP-719 Improve addtowar.sh script file
(Jarek Jarcec Cecho)
SQOOP-698: Document installation procedure for Sqoop 2

(Jarek Jarcec Cecho via Kathleen Ting)
SQOOP-700: Provide examples to Sqoop 2 user guide

(Jarek Jarcec Cecho via Kathleen Ting)
SQOOP-728 Increase varchar limits for external link and exceptions
(Jarek Jarcec Cecho)
SQOOP-729 Display Stack Trace only in Verbose mode
(Jarek Jarcec Cecho)
SQOOP-727 More strict regular expressions in addtowar.sh
(Jarek Jarcec Cecho)
SQOOP-733 Remove unnecessary version repetition in pom files
(Jarek Jarcec Cecho)