switch to gradle

gradle files added
gradle: plugins added
build: files added
.travis.yml: gradle cache stored
distribution: tar and zip file stuff added
broker/build.gradle: osgi plugin added
build: bintray upload added
pom: files removed
distribution: assembly.xml removed
gradle: test ouput added to sub builds
.editorconfig: gradle files added
build: wrapper task added
osgi: added to h2_ and mapdb_storage
gradle: files cleaned
build.gradle: jars used for tar/zip

embedding_moquette/build.gradle

@@ -0,0 +1,5 @@
+
+description = 'Moquette - Embedded test'
+dependencies {
+  compile project(':moquette-broker')
+}

embedding_moquette/pom.xml

@@ -1,37 +0,0 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <parent>
-        <relativePath>../</relativePath>
-        <artifactId>moquette-parent</artifactId>
-        <groupId>io.moquette</groupId>
-        <version>0.11-SNAPSHOT</version>
-    </parent>
-
-    <artifactId>moquette-embedded-test</artifactId>
-    <packaging>jar</packaging>
-    <name>Moquette - Embedded test</name>
-
-    <dependencies>
-        <dependency>
-            <groupId>io.moquette</groupId>
-            <artifactId>moquette-broker</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-
-        <!--<dependency>-->
-            <!--<groupId>org.slf4j</groupId>-->
-            <!--<artifactId>slf4j-log4j12</artifactId>-->
-            <!--<version>1.6.4</version>-->
-        <!--</dependency>-->
-        
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.8.2</version>
-            <scope>test</scope>
-        </dependency>
-        
-    </dependencies>
-
-</project>