Updated with changes from OmniGroup svn [r207477]

General:
- Fixed build issues with Xcode 5.1's version of clang
- Fixed 64-bit issues for iOS
- Fixed deprecated API issues for requiring the 10.9 SDK
- Be more explicit about __autoreleasing in various out-parameter places for compatiblity with '-fobjc-arc-disable-writeback'
- Enabled GCC_WARN_UNDECLARED_SELECTOR in some projects; will continue to advance to others

Configurations:
- Require the 10.9 SDK
- Remove explicit list of architectures for iOS, allowing 64-bit builds

OmniBase:
- Add some more ARC helpers
- Remove some GC helpers

OmniFoundation:
- Improve error handling in OFLockFile
- Add keyed access for OFBijection
- Started moving away from OFSubjectTargetingScriptCommand.
- Added a helper for re-evaluating an object specifier with a different container
- Added more scripting debug helpers
- Improved ARC friendliness of a bunch of code
- Added NSString +invalidXMLCharacterSet and +discouragedXMLCharacterSet and deal better with discouraged characters
- Made OFRandom's shared state thread safe instead of just warning about it
- Made OFPreference KVO compliant for objectValue
- Expose support for a reference date in OFRelativeDateParser/OFRelativeDateFormatter

OmniAppKit:
- Do a better job sending feedback with non Mail.app mailers
- Removed the pattern color picker
- Converted OAAboutPanel to xib
- Added an action to open the application scripts folder (for sandboxed app's usage)
- Cleaned up the find API
- Added NSWindow methods to gather blocks and execute them before windows are displayed
- OAContextControlDelegate is a formal protocol now
- Added AXShownMenu and AXShowMenu support
- +tintedImage:... now returns a self-updating tinted image

OmniDataObjects:
- Removed the ODO_SUPPORT_UNDO setting from ODOFeatures.h since we always have NSUndoManager.

OmniFileExchange:
- Added a test case for a spurious conflict case

OmniInspector:
- Converted to ARC
- More work on support for sidebar inspectors
- Inspectors are finally NSViewController-based

OmniQuartz:
- Avoid an exception if we get a nil colorspace
- Support fill-and-stroke on the vector output path

OmniSoftwareUpdate:
- Fixed unrecognized selector exception on significant time changes on iOS

OmniUI/iPad:
- Improved handling of app-owned 'special' URLs
- Restored single-swatch rendering to OUIColorAttributeInspectorWell
- Add our own image picker rather than trying to shoehorn Apple's into our navigation controller
- Added OUISegmentedViewController
- Updated look for OUIInspectorOptionWheel

OmniUI/iPad-Document
- Fix a crasher when duplicating an OmniPresence document w/o a preview while offline
- Improved import/export support
Updated with changes from OmniGroup svn [r209919]

Configurations:
- Support for replacing shell script build phases for BuildSVNVersionInclude with the Tools/SVNVersion project

SVNVersion:
- Project that does the work of the old BuildSVNVersionInclude shell script build phases while working better with project dependencies

OmniFoundation:
- Fix parsing of Korean dates with formats like '2014. 4. 20.'
- Restored some date parsing code from OmniFocus 1.x for falling back to English parsing when localized parsing doesn't match
- Added OFTransientObjectsTracker for tracking objects that are created and destroyed w/in a block of code
- Fix some implicit narrowing cast warnings

OmniInspector:
- Ensure standalone inspector UI is loaded before trying to restore expansion state

OmniSoftwareUpdate:
- Add support for automatically checking for updates on the run after a crash
- Don't offer to mail support for errors we can't help with (disk full, etc).

OmniAppKit:
- OATrackingLoop now tracks the current event in an ivar and reports it as a read-only property.
- Fix documentation window width at 800
- Updated OAStackView to notice when one of its subviews changes size,
  and to apply a constraint to itself when it wants to set its own
  height.
- Lots of improvments to OAWebPageViewer
- Add some API which lets us disable script toolbar items.
- Add some helpers on NSView for establishing same-extent constraints between a view and a contained view, or making those constraints and collecting them in an array.
- Fix first-day-of-week support in OAPopupDatePicker
- Don't try to produce tinted variants of template images.

OWF:
- When requesting data from a website, send a single preferred language
  rather than a complete ordered list of every language installed on the
  user's system (which some websites can't handle).
- A bit of modernization

OmniUI/iPad:
- iOS 7 updates to OUIInspectorOptionWheel
- OUIImagePickerAssetsViewController updates in response to library changes
- Reduce the number of undo operations logged for font size changes
- Add support for customizing appearance via user-supplied custom plists.
- Add some caching of appearance values
- Fix signature of blocks passed to imp_implementationWithBlock()
- Added helper +[UIView(OUIExtensions) topLevelViewFromNibNamed:]

OmniUI/iPad-Document:
- Don't try to unique file names when we are saving for overwriting
- Fix a few other edge cases with switching document UTIs while saving

Localizations:
- Various updates to strings files.
Add an empty strings file for the Japanese localization.

git doesn't support empty directories, so we need a placeholder
here while we wait for this localization.

Fixes #85.
Add another empty strings file for the Japanese localization.

There were actually two missing strings files. Fixes #85 (for real this time, hopefully).
Merge in OmniGroup changes from upstream/master