CDAP-654: Added a unit test which tests Services integration with MapReduce
CDAP-654: addressed comments
CDAP-654: minor fixes
CDAP-654: changes in javadocs
CDAP-654: refactored setup method of mapper and reducer
CDAP-654: minor fixes
Fixed formatting issues.
Replaced most instances of "element", either with "component" or "program". In some case, "element" is the correct term ("elements of an array") and were left as-is.
Remove app-manager scripts, as they are being replaced with CLI commands
(CDAP-834) Reuse exploded jar directory when possible.
Should throw IOException if fail to rename the jar directory.
Copy from 2.5-based feature/remove-missing-dirs-dockerfile branch
Remove SSH due to requiring shared password
Removes references to app manager scripts, adds Command-line Interface examples, and corrects for numerous changes in the examples.
Removes extra copies of the curl.exe that were being included in the examples.
More updates and fixes.
Adding suggested memory settings for testing.
Merge branch 'release/2.6.0' into feature/r2.6.0_doc_fixes
Added MAVEN_OPTS to build test commands.
Merge pull request #776 from caskdata/hotfix/explode-jar-reuse

(CDAP-834) Reuse exploded jar directory when possible.
Fixed two small typos.
More typos and errors.