README and Travis CI setup

.travis.yml

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+language: java
+jdk: openjdk8
+
+before_install:
+  - git clone https://github.com/cuba-platform/cuba-gradle-plugin.git $TRAVIS_BUILD_DIR/../cuba-gradle-plugin
+  - git clone https://github.com/cuba-platform/cuba.git $TRAVIS_BUILD_DIR/../cuba
+  - (cd $TRAVIS_BUILD_DIR/../cuba-gradle-plugin && chmod +x ./gradlew && ./gradlew --no-daemon install)
+  - (cd $TRAVIS_BUILD_DIR/../cuba && chmod +x ./gradlew && ./gradlew --no-daemon install)
+  - chmod +x ./gradlew
+
+install:
+  - ./gradlew --no-daemon assemble
+
+script:
+  - ./gradlew --no-daemon test javadoc
+
+cache:
+  directories:
+    - $HOME/.gradle/caches/
+    - $HOME/.gradle/wrapper/
+
+addons:
+  apt:
+    packages:
+      - openjdk-8-jdk

README.md

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+# CUBA Charts Add-on
+
+[![license](https://img.shields.io/badge/license-Apache%20License%202.0-blue.svg?style=flat)](http://www.apache.org/licenses/LICENSE-2.0)
+[![Build Status](https://travis-ci.org/cuba-platform/bpm.svg?branch=master)](https://travis-ci.org/cuba-platform/npm)
+[![Documentation](https://img.shields.io/badge/documentation-online-03a9f4.svg)](https://doc.cuba-platform.com/bpm-latest)
+
+Charts Add-on provides integration with AmCharts and GoogleMaps for applications based on CUBA Platform.
+
+For more information see [github.com/cuba-platform/cuba](https://github.com/cuba-platform/cuba).
+
+## Build and install
+
+In order to build the add-on from source, you need to install the following:
+* Java 8 Development Kit (JDK)
+* [CUBA Gradle Plugin](https://github.com/cuba-platform/cuba-gradle-plugin)
+* [CUBA](https://github.com/cuba-platform/cuba)
+
+Let's assume that you have cloned sources into the following directories:
+```
+work/
+    cuba/
+    cuba-gradle-plugin/
+    bpm/
+```
+
+Open terminal in the `work` directory and run the following command to build and install the plugin into your local Maven repository (`~/.m2`):
+```
+cd cuba-gradle-plugin
+gradlew install
+```
+
+After that, go to the cuba directory and build and install it with the same command:
+```
+cd ../cuba
+gradlew install
+```
+
+Finally, go to the bpm directory and build and install it with the same command:
+```
+cd ../bpm
+gradlew install
+```