8186115: libelf still referenced after 8172670
Reviewed-by: kvn, twisti, erikj, dholmes

8184338: switch minimum supported gcc version to 4.7
Reviewed-by: erikj, tbell

Merge

8179892: Update build documentation for JDK 9
Reviewed-by: erikj

Merge

8179537: Update testing.md for more clarity regarding JTReg configuration
Reviewed-by: erikj

Merge

8180472: Pandoc should generate html5 from markdown
Reviewed-by: erikj

8180651: Make target to run tests on exploded image
Reviewed-by: ihse

8175825: Stop including pubs repo
Reviewed-by: erikj

8179453: Add a proper SetupProcessMarkdown
Reviewed-by: erikj

8177955: Add testing documentation
Reviewed-by: erikj

8176509: Use pandoc for converting build readme to html
Reviewed-by: erikj