Rename fmi_specification.adoc to index.adoc (modelica#592)

to follow Asciidoctor best practices and simplify deployment

.circleci/config.yml

@@ -18,15 +18,15 @@ jobs:
             python .circleci/validate_xml.py
       - run:
           name: Generate HTML
-          command: docker run -v ~/project/:/documents/ --name asciidoc-to-html asciidoctor/docker-asciidoctor asciidoctor --base-dir /documents/ --backend html5 --failure-level WARN docs/fmi_specification.adoc
+          command: docker run -v ~/project/:/documents/ --name asciidoc-to-html asciidoctor/docker-asciidoctor asciidoctor --base-dir /documents/ --backend html5 --failure-level WARN docs/index.adoc
       - run:
           name: Validate HTML
           command: docker run -v ~/project/docs/:/documents/ 18fgsa/html-proofer /documents --only-4xx
       - run:
           name: Create archive
           command: |
             cd ~/project
-            zip fmi-standard.zip README.adoc CHANGELOG.adoc LICENSE.txt docs/fmi_specification.html docs/fmi-spec.css docs/images/* headers/*.h schema/*.xsd
+            zip fmi-standard.zip README.adoc CHANGELOG.adoc LICENSE.txt docs/index.html docs/fmi-spec.css docs/images/* headers/*.h schema/*.xsd
       - store_artifacts:
           path: ~/project/fmi-standard.zip
       - run:
@@ -39,7 +39,6 @@ jobs:
               git clone [email protected]:modelica/fmi-standard.org.git
               rsync -a --delete --exclude *.adoc ~/project/docs/ ~/fmi-standard.org/docs/3.0-dev/
               cd fmi-standard.org
-              mv docs/3.0-dev/fmi_specification.html docs/3.0-dev/index.html
               git add docs/3.0-dev
               git commit -m "Update generated specification from fmi-standard (${CIRCLE_SHA1:0:7})" || echo "No changes to commit"
               git push

CONTRIBUTING.adoc

@@ -31,7 +31,7 @@ where `<fmi-standard>` is the path to the cloned repository
 
 . Generate the HTML document
 +
-  asciidoctor -B /documents/ -b html5 docs/fmi_specification.adoc
+  asciidoctor -B /documents/ -b html5 docs/index.adoc
 
 `Alternative 2:` Ruby and the AsciiDoctor gem
 
@@ -41,12 +41,12 @@ where `<fmi-standard>` is the path to the cloned repository
 
 . Generate the HTML document
 +
-  asciidoctor -B <fmi-standard> -b html5 docs/fmi_specification.adoc
+  asciidoctor -B <fmi-standard> -b html5 docs/index.adoc
 +
 where `<fmi-standard>` is the path to the cloned repository
 
 
-The generated `docs/fmi_specification.html` can be viewed with any modern web browser.
+The generated `docs/index.html` can be viewed with any modern web browser.
 
 == Using the issue tracker