Update lock files to use the RC3 logstash-core gem

Fixes elastic#3089

Update defaults lock file after snapshot5

Fixes elastic#3069

version 1.5.0-rc3.snapshot3 bump

Fixes elastic#3031

version 1.5.0.rc3.snapshot1 bump

fix the version naming in order to use the sem_ver convention for tha package name and the rubygems one for the gem

make the logstash.gemspec look alike the logstash-core

Fixes elastic#2958

version 1.5.0.rc3.snapshot1 bump

fix the version naming in order to use the sem_ver convention for tha package name and the rubygems one for the gem

make the logstash.gemspec look alike the logstash-core

Fixes elastic#2958

New lines for rc2

Fixes elastic#2788

bump s3

Fixes elastic#2773

expand attributes in ListingBlocks, sync to logstash-docs version

Fixes elastic#2216

refactor to use single gem dir vendor/bundle, use Bundler::CLI, .lock…

… files naming

Fix typo