Fixes #65. NoMainMethodInAbstractClassCheck was introduced.
Refactoring
refactor
Type of stack is Deque
ForbidWildcradAsReturnTypeCheck was introduced.
Ignore class names was added. More tests. Metadata for plugin.
metadata update
Changed default value of ignoreList. hasModifier() instead of isPublic(), etc. New test class uses SortedSets to keep line numbers. More tests.
Refactoring. New method hasBoundedWildcardInReturnType().
isPackage() method was edited for more performance.
Merge branch 'wildcard'

Conflicts:
	eclipsecs-sevntu-plugin/src/com/github/sevntu/checkstyle/checks/design/checkstyle-metadata.properties
	eclipsecs-sevntu-plugin/src/com/github/sevntu/checkstyle/checks/design/checkstyle-metadata.xml
	sevntu-checks/src/main/java/com/github/sevntu/checkstyle/checks/design/NoMainMethodInAbstractClassCheck.java
	sevntu-checks/src/test/java/com/github/sevntu/checkstyle/checks/design/NoMainMethodInAbstractClassCheckTest.java
	sevntu-checks/src/test/resources/com/github/sevntu/checkstyle/checks/design/InputNoMainMethodInAbstractClassCheck.java
Conflict was resolved.