* Upgrade bouncycastle
Required to fix
`bcprov-jdk15on-1.55.jar; invalid manifest format `
on jdk 11
* Downgrade bouncycastle to avoid invalid manifest
* Add checksum for new jars
* Update tika permissions for jdk 11
* Mute test failing on jdk 11
* Add JDK11 to CI
* Thread#stop(Throwable) was removed
http://mail.openjdk.java.net/pipermail/core-libs-dev/2018-June/053536.html
* Disable failing tests #31456
* Temprorarily disable doc tests
To see if there are other failures on JDK11
* Only blacklist specific doc tests
* Disable only failing tests in ingest attachment plugin
* Mute failing HDFS tests #31498
* Mute failing lang-painless tests #31500
* Fix backwards compatability builds
Fix JAVA version to 10 for ES 6.3
* Add 6.x to bwx -> java10
* Prefix out and err from buildBwcVersion for readability
```
> Task :distribution:bwc:next-bugfix-snapshot:buildBwcVersion
[bwc] :buildSrc:compileJava
[bwc] WARNING: An illegal reflective access operation has occurred
[bwc] WARNING: Illegal reflective access by org.codehaus.groovy.reflection.CachedClass (file:/home/alpar/.gradle/wrapper/dists/gradle-4.5-all/cg9lyzfg3iwv6fa00os9gcgj4/gradle-4.5/lib/groovy-all-2.4.12.jar) to method java.lang.Object.finalize()
[bwc] WARNING: Please consider reporting this to the maintainers of org.codehaus.groovy.reflection.CachedClass
[bwc] WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
[bwc] WARNING: All illegal access operations will be denied in a future release
[bwc] :buildSrc:compileGroovy
[bwc] :buildSrc:writeVersionProperties
[bwc] :buildSrc:processResources
[bwc] :buildSrc:classes
[bwc] :buildSrc:jar
```
* Also set RUNTIME_JAVA_HOME for bwcBuild
So that we can make sure it's not too new for the build to understand.
* Align bouncycastle dependency
* fix painles array tets
closes#31500
* Update jar checksums
* Keep 8/10 runtime/compile untill consensus builds on 11
* Only skip failing tests if running on Java 11
* Failures are dependent of compile java version not runtime
* Condition doc test exceptions on compiler java version as well
* Disable hdfs tests based on runtime java
* Set runtime java to minimum supported for bwc
* PR review
* Add comment with ticket for forbidden apis
Alpar Torok
Ryan Ernst