Update README.md and Makefile

- Update README for the list of install/requirements
- Update Makefile to build beam-book.pdf using new build tools

Makefile

@@ -1,21 +1,10 @@
-ABFLAGS = --backend=docbook --doctype=book
-
-DBLATEX_OPTS = -P latex.output.revhistory=0 -P doc.collab.show=0
-
 all: chapters/contributors.txt beam-book.pdf index.html
 
 chapters/contributors.txt: .git
 	./bin/gitlog.sh $@
 
-xml/beam-book-from-ab.xml:  chapters/opcodes_doc.asciidoc
-	asciidoc $(ABFLAGS) -o $@ book.asciidoc
-
-beam-book.pdf: xml/beam-book-from-ab.xml
-	dblatex $(DBLATEX_OPTS) xml/beam-book-from-ab.xml -o $@
-
-### Experimental pdf command
-beam-book2.pdf:  chapters/opcodes_doc.asciidoc book.asciidoc  chapters/*.asciidoc chapters/contributors.txt
-	asciidoctor-pdf  -r ./style/custom-pdf-converter.rb -r asciidoctor-diagram -r ./style/custom-admonition-block.rb  -a config=./style/ditaa.cfg --doctype book -a media=prepress -a pdf-style=./style/pdf-theme.yml book.asciidoc -o $@
+beam-book.pdf:  chapters/opcodes_doc.asciidoc book.asciidoc chapters/contributors.txt
+	asciidoctor-pdf  -r ./style/custom-pdf-converter.rb -r asciidoctor-diagram -r ./style/custom-admonition-block.rb  -a config=./style/ditaa.cfg --doctype=book -a media=prepress -a pdf-style=./style/pdf-theme.yml book.asciidoc -o $@
 
 index.html:
 	cp -r images site

README.md

@@ -141,44 +141,31 @@ that you have all the needed tools installed.
 
 ### Docker
 
-A Docker image containing everything
-which is needed to build the book from source is provided. To use it:
-
-```shell
-docker pull robertoaloi/docker-thebeambook:latest
-docker run -v $PWD:/book -t robertoaloi/docker-thebeambook make
-```
+Docker images with asciidoctor is available here: [dcoker-asciidoctor](https://github.com/asciidoctor/docker-asciidoctor)
 
 ### Linux
-
+WIP, to be updated
 ```shell
 make
 ```
 
 ### Mac OSX
 
-1. Install [MacTex](http://www.tug.org/mactex/). Note that you would
-   need to _full_ MacTex rather than just BasicTex.
-1. Add `/Library/TeX/texbin` to your `PATH`.
-1. `easy_install dblatex`
 1. Install [asciidoc](https://github.com/asciidoctor/asciidoctor)
 1. Install [asciidoctor-pdf](https://github.com/asciidoctor/asciidoctor-pdf)
 1. Install [asciidoctor-diagram](http://asciidoctor.org/docs/asciidoctor-diagram/)
 1. Install [ditaa](https://github.com/stathissideris/ditaa)
-1. Install [source-highlight](https://www.gnu.org/software/src-highlite/)
+1. Install [rouge](https://asciidoctor.org/docs/user-manual/#rouge)
 1. Install [wget](https://www.gnu.org/software/wget/)
 1. `make`
 
 ### Mac OSX (using brew etc)
 
-1. `brew install Caskroom/cask/mactex`
-1. Add `/Library/TeX/texbin` to your `PATH`.
-1. `sudo easy_install dblatex`
 1. `brew install asciidoctor`
 1. `gem install asciidoctor-pdf`
 1. `gem install asciidoctor-diagram`
 1. `brew install ditaa`
-1. `brew install source-highlight`
+1. `gem install rouge`
 1. `brew install wget`
 1. `make`