add utility methods for creating n-CFA call graph builders
temporary patch to keep build.xml file working
fix typo in print statement
fix for handling of static methods in ContainerContextSelector
Merge branch 'master' of github.com:wala/WALA
changes to ease use of WALA from an executable jar.  also some very
basic support for GXL, a graph format used by some software engineering
tools.
fix possible NPE
Merge branch 'master' of https://github.com/wala/WALA.git
switch back to rhino-1.7R3.jar, to be compatible with maven
config file for Travis CI
add missing copyright headers
Fix thread-safety bug in BytecodeClass.computeMethodMap

The map must not be modified after BytecodeClass.methodMap
has become non-null.