Restructured documentation into Markdown format

This commit restructures the documenation into Markdown instead of
LaTeX. More people are familiar with Markdown, and those that aren't
can pick it up quickly. That should help promote more contributions
to the project.

.gitignore

@@ -1,10 +1,7 @@
 *.sublime-workspace
 node_modules/
 target/
+doc/html/*.html
+doc/html/*.jpg
 
-*.zip
-tex/*.pdf
-tex/*.aux
-tex/*.log
-tex/*.rai
-tex/*.toc
+*.zip

Gruntfile.js

@@ -6,24 +6,54 @@ var packageJSON = require('./package.json');
 require('load-grunt-tasks')(grunt);
 
 grunt.initConfig({
+  panda: {
+    docSite: {
+      options: {
+        pandocOptions: '-t html5 --section-divs --mathjax -s'
+      },
+      files: [{
+        expand: true,
+        flatten: true,
+        src: './doc/src/*.md',
+        dest: './doc/html/',
+        ext: '.html'
+      }]
+    },
+    pdf: {
+      options: {
+        pandocOptions: '-t latex --smart'
+      },
+      files: [{
+        expand: true,
+        cwd: './doc/src/',
+        src: 'Index.md',
+        dest: 'target/',
+        ext: '.pdf'
+      }]
+    }
+  },
+
   shell: {
-    genPDF: {
-      command: 'cd tex && pdflatex main.tex && mv main.pdf doc.pdf'
+    copyDiagramToSite: {
+      command: 'cp ./doc/src/visual.jpg ./doc/html/'
     },
 
     prepareRelease: {
       command: 'rm -rf target *.zip && mkdir target && ' +
-      'cp -R src/* testsuite examples tex/doc.pdf *install.sql change.log readme.txt target'
+      'cp -R src/* testsuite examples *install.sql change.log readme.txt target && ' +
+      'cp -R doc/html target/doc/'
     }
   },
 
   zip : {
     'using-cwd': {
       cwd: 'target/',
-      src: ['target/*'],
+      src: ['target/**'],
       dest: 'release-' + packageJSON.version + '.zip'
     }
   }
 });
 
-grunt.registerTask('release', ['shell:genPDF', 'shell:prepareRelease', 'zip']);
+grunt.registerTask('release', ['panda:docSite', 'shell:prepareRelease', 'zip']);
+grunt.registerTask('buildDocSite', ['panda:docSite', 'shell:copyDiagramToSite']);
+grunt.registerTask('buildPDF', ['panda:pdf']);