Improve AOR test form on Linux

Fix case of filename and default path to images on Linux. Also fix
dispose issue that causes a crash.

Change-Id: I0e6e9c82fd4de3ff496460a57c76e7905ae76792
Merge pull request #151 from ermshiperete/AORTestXPlatform

Improve AOR test form on Linux
Fix finding the default keyboard for Mint 17/Cinnamon

This fixes https://jira.sil.org/browse/WS-285 "Crash while trying
to switch keyboards in Wasta".  Also did a bit of code cleanup in
related keyboarding code.
Merge pull request #152 from sillsdev/Fix-WS-285

Fix finding the default keyboard for Mint 17/Cinnamon
Improve selectivity of UsbDrive tests

 * Mark additional tests with RequiresUSB
 * Fail rather than crash when insufficient drives are mounted
 * Ignore some tests that are based on incorrect assumptions
Merge pull request #153 from neilmayhew/topic/usb-tests

Improve selectivity of UsbDrive tests
WS-273 "Help" link not visible in Linux

With Linux, the Help link does not move as the
screen size is adjusted.  If the original location
specified is not visible on the screen, the link
does not appear.  The table layout panel next to
this one containing the sort results adjusts
correctly. This change makes the parameters
associated with the two panels identical.  The
link now adjusts relative to the panel size in
both windows and linux.
Merge pull request #154 from sillsdev/WS273

WS-273 "Help" link not visible in Linux
Fix sizes of internal controls of AcquireImageControl

A Mono layout bug truncates the size of controls anchored right and
left inside AcquireImageControl.  This provides a workaround to fix
https://jira.sil.org/browse/BL-778 "[Linux] Image Toolbox only
displays 2 columns of AoR images (Windows does 3)".  The bug would
probably affect WeSay as well as Bloom.
Merge pull request #155 from sillsdev/Fix-BL-778

Fix sizes of internal controls of AcquireImageControl
Add SIL.ScriptureControls
Merge pull request #157 from andrew-polk/SIL.ScriptureControls

Add SIL.ScriptureControls
Improve NUnit task

- Add support for Apartment parameter
- Add new property Verbose that immediately prints output of NUnit
  instead of after NUnit exited

Change-Id: I51bd823bd7b58e9218c16e2c57735decc73e6112
Don't wait forever for disk device number [Linux]

On Linux, determining on which device a file or directory exists
requires either a low-level system call that is too hard to access
from C# (try it if you don't believe me) or running an external
program to get the information.  The latter process is frequently
hanging for some reason even after the program has finished giving
the desired information.  See https://jira.sil.org/browse/BL-771
for a bug report on this behavior.
Merge pull request #158 from sillsdev/Fix-BL-771

Don't wait forever for disk device number [Linux]
Merge pull request #156 from ermshiperete/ImproveNUnitTask

Improve NUnit task