bump license year
drop 1.9.3 and 1.9.2 from travis.yml
use Module#prepend for Exception monkey patch
remove workaround for 1.9 broken local variable bug
remove 1.9.3 compatibility code
don't build on jruby, it has incomplete 2.0 support
Merge pull request #237 from charliesome/drop-1.9-support

Drop 1.9 support
bump required ruby version to 2.0.0
in ruby 2.0+ source files are utf-8 by default
use caller_locations to ensure we don't re-enter this code
use prepend_features instead of send(:prepend, ...)
rename b_e/core_ext/exception to b_e/exception_extension
remove simplecov
don't require ostruct
run tests without binding_of_caller
alphabetize requires
extract collection related methods from StackFrame to RaisedException
Added Ruby 2.1.0 to Travis.  Updated JRuby to 19mode.  Got Rubinius specs running, if not passing.