Created Java runner doc

src/features/java_runner.md

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+
+While there are currently no Java builders or runners out of the box, the process of making your own is very quick.
+
+##Creating a Java builder
+
+In the menu, go to Run > Build System > New Build System
+
+You may copy and paste the following code for your Java builder:
+
+```bash
+{
+  "cmd": [
+    "sh",
+    "-c",
+    "mkdir -p $OUT_DIR; find $SRC_DIR -name \"*.java\" -print | xargs javac -sourcepath $SRC_DIR -d \"$OUT_DIR\"; echo '\\033[01;34mDone!\\033[00m'"
+  ],
+  "info": "\\033[01;34mBuilding\\033[00m \\033[01;31m$project_name\\033[00m",
+  "env": {"OUT_DIR": "$project_path\\.bin", "CLASSPATH" : "$OUT_DIR:$CLASSPATH", "SRC_DIR": "src"},
+  "selector": "source.java",
+  "working_dir": "$project_path"
+}
+```
+
+This code builds .java files from the src/ directory. If you are using a different directory to store your .java files, change the `SRC_DIR` to match that directory.
+
+Similarly, the output directory is set to the .bin/ directory in your workspace. If you'd like to change that, change the `OUT_DIR` (be sure to apply that same change in your custom runner file).
+
+To build with your new builder, go to your Java file then click Run > Build System > My Builder. The .class files are now in your chosen output directory.
+
+Note:
+"My Builder" is the default name for a new builder. You may change the filename of your builder, just be sure to select this new builder. The same will be true for your runner.
+
+##Creating a Java runner
+
+In the menu, go to Run > Run With > New Runner
+
+You may copy and paste the following code for your Java runner:
+
+```bash
+{
+  "cmd": [
+    "sh",
+    "-c",
+    "echo $file | sed -r 's/.*\\/src\\///g' | sed -r 's/\\.java//g'  | sed -r 's/\\//\\./g' | xargs java"
+  ],
+  "info": "\\033[01;34mRunning\\033[00m \\033[01;31m$file_name\\033[00m\n",
+  "env": {"OUT_DIR": "$project_path\\.bin", "CLASSPATH" : "$OUT_DIR:$CLASSPATH"},
+  "selector": "source.java",
+  "working_dir": "$project_path"
+}
+```
+To run your .class files with this new runner, go to your Java file then click Run > Run With > My Runner.

templates/default/toc.jade

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             //   a(href='zen_mode.html') Zen Mode
             li.nav-submenu-item
               a(href='custom_runners.html') Custom Runners
+              ul
+                li.nav-submenu-item
+                  a(href="java_runner.html") Making a Java Runner
         li.nav-section
           .nav-section-header
             a(href='javascript:void(0)') IDE Components