--- While trying to pull in dependencies for the sikulixapi 
... not sure, what you are doing here, but ...

having a Maven project with this pom

<?xml version="1.0" encoding="UTF-8"?>
<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>
    <groupId>com.sikulix</groupId>
    <artifactId>MavenTest</artifactId>
    <version>2.0.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
    </properties>
    <dependencies>
      <dependency>
        <groupId>com.sikulix</groupId>
        <artifactId>sikulixapi</artifactId>
        <version>1.1.0</version>
      </dependency>
    </dependencies>
</project>

simply works as expected:
------------------------------------------------------------------------
Building MavenTest 2.0.0-SNAPSHOT
------------------------------------------------------------------------
Downloading: http://repo.maven.apache.org/maven2/com/sikulix/sikulixapi/1.1.0/sikulixapi-1.1.0.pom
         
Downloaded: http://repo.maven.apache.org/maven2/com/sikulix/sikulixapi/1.1.0/sikulixapi-1.1.0.pom (6 KB at 5.7 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/com/sikulix/sikulixlibsmac/1.1.0/sikulixlibsmac-1.1.0.pom
         
Downloaded: http://repo.maven.apache.org/maven2/com/sikulix/sikulixlibsmac/1.1.0/sikulixlibsmac-1.1.0.pom (3 KB at 15.7 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/com/sikulix/sikulixapi/1.1.0/sikulixapi-1.1.0.jar
Downloading: http://repo.maven.apache.org/maven2/com/sikulix/sikulixlibsmac/1.1.0/sikulixlibsmac-1.1.0.jar
                             
Downloaded: http://repo.maven.apache.org/maven2/com/sikulix/sikulixapi/1.1.0/sikulixapi-1.1.0.jar (1107 KB at 868.1 KB/sec)
               
Downloaded: http://repo.maven.apache.org/maven2/com/sikulix/sikulixlibsmac/1.1.0/sikulixlibsmac-1.1.0.jar (4853 KB at 1173.9 KB/sec)

--- maven-clean-plugin:2.4.1:clean (default-clean) @ MavenTest ---

--- maven-resources-plugin:2.5:resources (default-resources) @ MavenTest ---
[debug] execute contextualize
Using 'UTF-8' encoding to copy filtered resources.
Copying 1 resource

--- maven-compiler-plugin:2.3.2:compile (default-compile) @ MavenTest ---
Compiling 1 source file to /Users/raimundhocke/NetBeansProjects/MavenTest/target/classes


--- ${sikulix.libs}
this is resolved during Maven processing by the section:
	<profiles>
		<profile>
			<id>Windows</id>
			<activation>
				<os>
					<family>windows</family>
				</os>
			</activation>
			<properties>
				<sikulix.libs>sikulixlibswin</sikulix.libs>
			</properties>
		</profile>
		<profile>
			<id>Unix</id>
			<activation>
				<os>
					<family>unix</family>
				</os>
			</activation>
			<properties>
				<sikulix.libs>sikulixlibslux</sikulix.libs>
			</properties>
		</profile>
		<profile>
			<id>Mac</id>
			<activation>
				<os>
					<family>mac</family>
				</os>
			</activation>
			<properties>
				<sikulix.libs>sikulixlibsmac</sikulix.libs>
			</properties>
		</profile>
	</profiles>

--- ${sikulix.deploy.target}
... is not relevant at usage time, since no deployment is done here.

so please be more specific about the problems you have.