added Tools to maven; added Logger and Localization

pom.xml

src/main/java/Main.java

.../java/de/deadlocker8/budgetmaster/logic/utils/Colors.java

...java/de/deadlocker8/budgetmaster/logic/utils/Helpers.java

...java/de/deadlocker8/budgetmaster/logic/utils/Strings.java

src/main/java/de/deadlocker8/budgetmaster/main/Main.java

src/main/resources/de/deadlocker8/budgetmaster/icon.png

...rces/de/deadlocker8/budgetmaster/languages/_de.properties

...rces/de/deadlocker8/budgetmaster/languages/_en.properties