make Java7 module be included in Groovy build if jdk7 is used to compile Groovy
GROOVY-7104: allow interface default methods being called from within a proxy
GROOVY-7065: skip adding retrun if finally block has return
fix possible NPE for pojo property get
prevent static compiler to use 1.8 callsite caching
Documentation fix for the constructor javadoc

Added escaping for ampersands (&) in the constructor javadoc for the CR/LF characters, so the generated HTML does not show the literal characters, and shows the escape sequence.
GROOVY-7122: enable typechecker passing for Iterable usage in for-in loop
updated GMaven, GMaven 2, and GMavenPlus info and added Gant and Gradle info
GROOVY-6626: Add a BigInteger.power(Biginteger) method
GROOVY-6626: Add a BigInteger.power(Biginteger) method

corrected @since
GROOVY-7138: Fix super call from inside a closure when @CompileStatic is used

Conflicts:
	src/main/org/codehaus/groovy/classgen/asm/sc/StaticCompilationMopWriter.java