...
allprojects {
    ...
	repositories {
		...
		maven {
            name    'Actual Xuggler repo'
            url     'https://raw.github.com/olivierayache/xuggle-xuggler/repos/'
        }
        maven {
            name    'JitPack'
            url     'https://jitpack.io/' 
        }
	}
	...
}
...
dependencies {
    ...
    compile 'com.github.dzavodnikov:JcvLib:4.+'
    ...
}
...

<project>
    ...
    <repositories>
        ...
        <repository>
	        <id>Actual Xuggler repo</id>
	        <url>https://raw.github.com/olivierayache/xuggle-xuggler/repos/</url>
	    </repository>
	    <repository>
	        <id>JitPack</id>
	        <url>https://jitpack.io/</url>
	    </repository>
    </repositories>
    ...
    <dependencies>
        ...
        <dependency>
            <groupId>com.github.dzavodnikov</groupId>
            <artifactId>JcvLib</artifactId>
            <version>[4.0.0, 5.0.0)</version>
        </dependency>
        ...
    <dependencies>
    ...
</project>