edits for cli pull request

- move imports to bin/asciidoctor
- set built-in attributes for doc info (set in load API down the road)
- output to stdout if out file is '-'
- calculate output file based on input file if not specified (to comply w/ AsciiDoc)
- change attribute keys to strings (as Asciidoctor expects)
- change doctype options from symbols to strings
- make doctype apply to all backends
- add options for backends
- add option to enable compact output
- add option to set safe mode levels
- make suppress header_footer work
- add option to set eRuby implementation
- automatically set value to 1 for attribute w/o value
- add files to gemspec

1 files changed, 4 insertions, 1 deletions

diff --git a/bin/asciidoctor b/bin/asciidoctor
index cdf90864..55e08659 100755
--- a/bin/asciidoctor
+++ b/bin/asciidoctor
@@ -1,8 +1,11 @@
 #!/usr/bin/env ruby
 
-$:.unshift File.dirname(__FILE__) + '/../lib'
+$:.unshift File.join(File.dirname(__FILE__), '../lib')
 
 require 'rubygems'
+require 'optparse'
+require 'asciidoctor'
+require 'asciidoctor/cli/options'
 require 'asciidoctor/cli/invoker'
 
 Asciidoctor::Cli::Invoker.new(ARGV).invoke!