updated maven & git files

.gitignore

+# Mac file finder metadata
+.DS_Store
+# Windows file metadata
+._*
+# Thumbnail image caches
+Thumbs.db
+ethumbs.db
+# MS Office temporary file
+~*
+# Emacs backup file
+*~
+
+# Common
+[Bb]in/
+[Bb]uild/
+[Oo]bj/
+[Oo]ut/
+[Tt]mp/
+[Xx]86/
+[Ii][Aa]32/
+[Xx]64/
+[Xx]86_64/
+[Xx]86-64/
+[Aa]rm
+[Aa]32
+[Tt]32
+[Aa]64
+*.tmp
+*.bak
+*.bk
+*.swp
+
+# Java files
+*.class
+javadoc/
+
+# Maven
 target/
 pom.xml.tag
 pom.xml.releaseBackup
@@ -7,6 +44,22 @@ release.properties
 dependency-reduced-pom.xml
 buildNumber.properties
 .mvn/timing.properties
-
 # Avoid ignoring Maven wrapper jar file (.jar files are usually ignored)
 !/.mvn/wrapper/maven-wrapper.jar
+
+
+# JetBrains (IntelliJ IDEA, PyCharm, etc) files
+.idea/
+cmake-build-*/
+*.iml
+*.iws
+*.ipr
+
+# Eclipse files
+.settings/
+.project
+.classpath
+.buildpath
+.loadpath
+.factorypath
+local.properties

pom.xml

@@ -7,11 +7,29 @@
   <version>1.0-SNAPSHOT</version>
   <name>library</name>
   <url>http://maven.apache.org</url>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <source>8</source>
+                    <target>8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
     <dependencies>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+            <version>4.13</version>
             <scope>test</scope>
         </dependency>
     </dependencies>