Split SDK into sample, common library, and CLI tool

[plavjanik]

Resolves #5

The sample has been split into the sample (zowe-rest-api-sample-spring), a CLI tool (zowe-api-dev, and a Java library (zowe-rest-api-commons-spring).

The documentation has been updated and should explain how to use it: https://github.com/zowe/sample-spring-boot-api-service/tree/sdk-split/README.md

• [x] Sample is a subproject
• [x] SDK Java is a subproject
• [x] Documentation for Java is updated
• [x] SDK native code is moved to SDK subproject
• [x] Documentation for native code is updated
• [x] SDK native .so is packaged into JAR
• [x] Deployment tools are moved to a subproject
• [x] Publishing to Bintray is done for a successful tagged build
• [x] Check Zowe version
• [x] zowe-api-dev Error handling when zosmf and ssh profiles are missing
• [x] Use ls -E to show the status of attributes on z/OS
• [x] Better console messages explaining what is done during the actions
• [x] Rename sdk in library name to commons
• [x] Publish the zowe-api-dev to NPMJS automatically
• [x] Publish the zowe-rest-api-sample-spring.zip to GitHub automatically
• [x] Autodetection of java on z/OS (thanks @dkelosky)
• [x] Adding environment variable for better diagnostics to z/OS UNIX commands (thanks @vvvlc)

Post PR (opened as GitHub issues):

• [x] Publishing to JCenter (requires code on master) - opened as #25
• [x] Publish SDK JavaDoc to gh-pages branch (GitHub Pages) - opened #26
• [x] Move start command and job under configurations - #27
• [x] Even better message for failed .so library loading. Tries to find out what was wrong (missing .so, missing program-controlled attributed, missing executable attribute, invalid format) - #29
• [x] Faster uploads - #27
• [x] Move com.ca.mfaas.sdk:mfaas-common-service-core from zowe/api-layer to commons here - #33
• [x] e2e REST API tests against running instance (locally, z/OS) - #31
• [x] Replace version of the dependency in the sample ZIP during packaging - #32
• [x] Use the common logging format in native code - #30
• [x] Build native code on Zowe z/OS system (currenly it build manually and download from a Gist) - #34

[codecov-io]

Codecov Report

Merging #24 into master will decrease coverage by 0.65%. The diff coverage is 0%.

@@             Coverage Diff              @@
##             master      #24      +/-   ##
============================================
- Coverage     78.85%   78.19%   -0.66%     
+ Complexity      117       46      -71     
============================================
  Files            39       21      -18     
  Lines           331      133     -198     
  Branches         21        3      -18     
============================================
- Hits            261      104     -157     
+ Misses           56       27      -29     
+ Partials         14        2      -12

Impacted Files	Coverage Δ	Complexity Δ
...zowe/sample/apiservice/apidoc/ApiDocConstants.java	0% <ø> (ø)	0 <0> (?)
...va/org/zowe/sample/apiservice/wto/WtoResponse.java	100% <ø> (ø)	5 <0> (?)
...ple/apiservice/config/WebServerSecurityConfig.java	100% <ø> (ø)	3 <0> (?)
...we/sample/apiservice/config/ApplicationConfig.java	100% <ø> (ø)	3 <0> (?)
...a/org/zowe/sample/apiservice/config/WebConfig.java	100% <ø> (ø)	2 <0> (?)
...apiservice/security/SecurityContextController.java	100% <ø> (ø)	2 <0> (?)
...ava/org/zowe/sample/apiservice/hello/Greeting.java	100% <ø> (ø)	3 <0> (?)
...e/sample/apiservice/ZoweApiServiceApplication.java	33.33% <ø> (ø)	1 <0> (?)
...ava/org/zowe/sample/apiservice/CsrfController.java	100% <ø> (ø)	2 <0> (?)
...we/sample/apiservice/config/WebSecurityConfig.java	100% <ø> (ø)	3 <0> (?)
... and 13 more

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[plavjanik]

Hello @vvvlc and @dkelosky,

the PR is ready to be reviewed. There are some possible enhancements that we have identified with @vvvlc. They have been opened as new GitHub issues so this PR is not growing more.