rendering api for type parameters(first part of IDEA-99003)
render type parameters in project view(second part of IDEA-99003)
IDEA-99003 Render type parameters in project view

dont create new builder if no type parameters
Merge branch 'IDEA-99003'

Conflicts:
	java/java-impl/src/com/intellij/ide/projectView/impl/nodes/ClassTreeNode.java
fix merge