update build instructions (#141)

* update build instructions

* update readme, bump commander to pick gojuno/commander#15

Author: dsvoronin

README.md

@@ -166,12 +166,32 @@ Composer works great in combination with [Swarmer][swarmer] — another tool we'
 
 ### How to build
 
-Dependencies: you only need `docker` and `bash` installed on your machine.
+#### All-in-one script (used in Travis build)
+
+Dependencies: `docker` and `bash`.
 
 ```console
 ci/build.sh
 ```
 
+#### Build Composer
+
+Environment variable `ANDROID_HOME` must be set.
+
+```console
+./gradlew build
+```
+
+#### Build HTML report module
+
+Dependencies: `npm` and `nodejs`.
+
+```console
+cd html-report
+npm install
+npm build
+```
+
 ## License
 
 ```

dependencies.gradle

@@ -3,7 +3,7 @@ ext.versions = [
 
         rxJava           : '1.3.0',
         jCommander       : '1.71',
-        commander        : '0.1.6',
+        commander        : '0.1.7',
         apacheCommonsIo  : '2.5',
         apacheCommonsLang: '3.5',
         gson             : '2.8.0',