prevent YARD from mangling command statements in README
switch build to Rubinius 2.1.1
Merge pull request #741 from mojavelinux/rubinius-2.0

switch build to Rubinius 2.1.1
resolves #738 vertical table headers use th element instead of header class

- Update Asciidoc compatibility file
- Update stylesheet
Merge pull request #742 from DavidGamba/master

resolves #738 vertical table headers use th element instead of header class
stylesheet updates for #738
add fallback to gemspec if git command isn't available

this fix allows bundler to still function when git is unavailable
open file in read mode only
fix Ruby 1.9 version match
resolves #737 disable subs on pass block by default
Merge pull request #746 from mojavelinux/issue-737

resolves #737 disable subs on pass block by default
resolves #745 push_include and pop_include should return nil
Merge pull request #747 from mojavelinux/issue-745

resolves #745 push_include and pop_include should return nil
resolves #639 emit warning if tag(s) not found in include file
Merge pull request #748 from mojavelinux/issue-639

resolves #639 emit warning if tag(s) not found in include file
reduce indexterm macros to one regexp & simplify it
resolves #531 added support for anchor:<id>[<reftext>] macro
Merge pull request #753 from mojavelinux/issue-531

resolves #531 added support for anchor:<id>[<reftext>] macro
resolves #624 moved all compliance flags to Compliance module
Merge pull request #755 from mojavelinux/issue-624

resolves #624 moved all compliance flags to Compliance module