Separate plugin dependencies and execution declarations

<dependencies>

    <dependency>...</dependency> <!-- maybe turn <type> into subtypes of this -->

    <plugin> <!-- subtype of dependency? -->
        <id>bongo</id> <!-- defaults to short name -->
        <groupId>com.bongo.morebongo</groupId>
        <artifactId>allthebongo</artifactId>
        <version>1.1.0-BONGO</version>
    </plugin>

</dependencies>

<build>
    <executions>

        <execution>
            <id>bongo-run</id>
            <pluginId>bongo</pluginId> <!-- can also use gavc -->
            <phase>generate-sources</phase>
            <goal>bongotime</goal> <!-- just flatten the goals list -->
            <configuration>
                <nomorebongo>false</nomorebongo>
            </configuration>
        </execution>

        <execution>
            <id>maven-compile</id> <!-- ref to make sure bongo fires first -->
        </execution>

    </executions>
</build>