message: add javadocs and sources to pom.xml
diff: <developerConnection>scm:git:git@github.com:brainflow-dev/brainflow.git</developerConnection>
  </scm>
  + <developers>
  + <developer>
  + <name>Andrey Parfenov</name>
  + <email>a1994ndrey@gmail.com</email>
  + <organization>brainflow-dev</organization>
  + <organizationUrl>https://github.com/brainflow-dev</organizationUrl>
  + </developer>
  + </developers>
  +
  + <distributionManagement>
  + <snapshotRepository>
  + <id>ossrh</id>
  + <url>https://oss.sonatype.org/content/repositories/snapshots</url>
  + </snapshotRepository>
  + <repository>
  + <id>ossrh</id>
  + <url>https://oss.sonatype.org/service/local/staging/deploy/maven2</url>
  + </repository>
  + </distributionManagement>
  +
  <properties>
  <maven.compiler.source>1.7</maven.compiler.source>
  <maven.compiler.target>1.7</maven.compiler.target>
  </executions>
  </plugin>
  + <plugin>
  + <groupId>org.apache.maven.plugins</groupId>
  + <artifactId>maven-javadoc-plugin</artifactId>
  + <version>3.0.0</version>
  + <executions>
  + <execution>
  + <id>attach-javadocs</id>
  + <goals>
  + <goal>jar</goal>
  + </goals>
  + </execution>
  + </executions>
  + </plugin>
  +
  + <plugin>
  + <groupId>org.apache.maven.plugins</groupId>
  + <artifactId>maven-source-plugin</artifactId>
  + <version>3.0.1</version>
  + <executions>
  + <execution>
  + <id>attach-sources</id>
  + <goals>
  + <goal>jar</goal>
  + </goals>
  + </execution>
  + </executions>
  + </plugin>
  +
  </plugins>
  +
  </build>
  <dependencies>
  <dependency>
  