discover.lo: fix original_pythonpath
pep8 cleanup
tests: fix hwp5_uno test for windows
oxt.tool: more robust remote connection
jenkins: groovy / support windows (see #74)

- build script in groovy to use in both environment of linux/windows
move build/test tools into tools/
misc: cleaup-pyc.py to remove *.pyc and *$py.class files
tox: cleanup *.pyc and *$py.class files before tests
jenkins: remove MANIFEST before running tox

tox 실행 시 python setup.py sdist가 MANIFEST를 적절히 update하지 못하는
문제가 있어 workaround로 tox 실행 전 MANIFEST를 수동 삭제
hwp5.msoleprops: fix logger name
hwp5.storage.ole: package -> module
xunit: remove explicit dependency on lxml to ease buildout

Currently xunit requires lxml, but we omit it to make buildout process
successful even without it. This workaround should be resolved with
Issue #101.
xsltest: renamed from xunit (close #105)
bin/test-core: renamed from bin/test

to prevent name conflicts with linux /usr/bin/test
gitignore: add *.log
tools.constants: provides some constants for development tools
tox: use path/dir separators from constants
remove unused symlink: pyhwp/fixture
testlog.conf: include logger name in the log format
run-in-lo: don't fix up script suffix for windows

it's done in buildout/tox configuration with constants:script_py_suffix