fmbtwindows: getMatchingPaths() added

Returns list of pathnames on remote device.
fmbtgti: added simulated GUITestConnection for tests
Version bump, development version 0.13.1-0.rc0
fmbtwindows: pressKey(..., long=True) bug fixed

Refactored fmbtwindows-agent sendKey routines.
fmbtwindows: keyNames() method added
fmbt-log: added tag name printing, fixed "tag before"
fmbtgti: multilanguage support for OCR

OCR methods, like verifyOcrText, screenshot().findItemsByOcr,
screenshot().dumpOcr, ocrEngine().setFindTextDefaults accept new
optional parameter "lang". Refer to Tesseract LANGUAGE setting for
supported values. The default is "eng" (backwards compatible).
AAL/Python: input() and output() shorthand functions

Instead of adapter block code 'return action("o:foo")', it is
now possible to write 'return output("foo")'.
Development of fmbtx11_agent started

fmbtx11_agent implements event synthesis and X11 screenshots with
minimal other dependencies. Helps building agents
pythonshare-server for operating systems that run X.
pythonshare: server supports stdin connections

HOSTSPEC scheme shell:// added. This combination enables running
Python code and expressions directly on other hosts with
pythonshare-client \
    -C 'shell://ssh host:pythonshare-server -p stdin' \
    -c CODE
without setting up server, forwarding ports, etc.
fmbtgti: chromiumos support started
fmbtchromiumos: screenshot works
fmbtx11: portability improvements
fmbtchromiumos: type, pressKey, tap works
fmbtchromiumos: rename x11_agent to x11_conn
fmbtchromiumos: deb and rpm packaging
fmbt-scripter: Chromium OS support added
fmbtchromiumos: improved error handling

Exception messages reveal invalid commands
fmbtx11: refactored to use fmbtx11_conn

fmbtx11_conn is a common X11 connection library without extra
dependencies for both fmbtx11 and fmbtchromiumos.
Initial filepicker for revision