use CompileStatic for TypeConvertingMap
Use CompileStatic in DefaultLinkGenerator and other essential grails-web groovy classes
add direct leftShift(String) method to GrailsPrintWriter
use CompileStatic for some methods in SitemeshTagLib
use CompileStatic in various taglibs
Fix autowiring in DefaultGrailsCodecClass
Use autowiring in AbstractGrailsTagTests