TOOLSDOC-452: RNs for 8.0.0.Beta1
.gitignore file
generate adoc from docbook using docbookrx.rb
add images
regen - forgot to add :icons: font
add more pregenerated/static files from other PR (contribute, feedback, legalnotice, readme) and missing icons; regen using updated docbookrx.rb script (fixes missing images in listentry)
replace []##phrase## with phrase, as these empty markers are not helpful; dedupe copy blocks
add missing pom.xml from other PR
add missing stepalternatives and suppress redundant [] markers
regenerate: fix admonitionblocks, make procedures numbered (and add titles)
TOOLSDOC-492: Fixing asciidoc presentation anomalies