Add support for JDK 7 via patch provided by user sirajk.
Update version to 1.3.8.

Conflicts:
	src/com/sun/tools/jmake/ClassFileReader.java
	src/com/sun/tools/jmake/Main.java
	src/com/sun/tools/jmake/Utils.java

Note the JDK 7 support merged as a subset of Twitter/Foursquare
changes to support JDK 7 & 8.
Fixup findbugs bootstrapping.
Bump jmake to 1.3.8-1 to reflect local modifications against the official 1.3.8.