Update README.md
improve route-level search
change license from GPLv2 to LGPLv3
Merge branch 'master' of https://github.com/jsprit/jsprit.git
Update README.md
Update README.md
Update README.md
Update README.md
add license file
improve route level insertion
merge master
Merge branch 'ImproveRouteLevelSearch'

Conflicts:
	jsprit-core/src/main/java/algorithms/MarginalsCalculus.java
	jsprit-core/src/main/java/algorithms/MarginalsCalculusTriangleInequality.java
Merge branch 'master' into relaxAPI

Conflicts:
	jsprit-core/src/main/java/algorithms/CalcUtils.java
	jsprit-core/src/main/java/algorithms/CalculatesServiceInsertion.java
	jsprit-core/src/main/java/algorithms/CalculatesServiceInsertionOnRouteLevel.java
	jsprit-core/src/main/java/algorithms/CalculatorBuilder.java
	jsprit-core/src/main/java/algorithms/InsertionFactory.java
	jsprit-core/src/main/java/algorithms/MarginalsCalculusTriangleInequality.java
	jsprit-core/src/main/java/algorithms/RuinAndRecreateModule.java
	jsprit-core/src/main/java/algorithms/RuinListeners.java
	jsprit-core/src/main/java/algorithms/StateTypes.java
	jsprit-core/src/main/java/algorithms/StateUpdates.java
	jsprit-core/src/test/java/algorithms/BuildCVRPAlgoFromScratchTest.java
	jsprit-core/src/test/java/algorithms/BuildPDVRPAlgoFromScratchTest.java
	jsprit-core/src/test/java/algorithms/GendreauPostOptTest.java
	jsprit-core/src/test/java/algorithms/TestCalculatesServiceInsertion.java