+ Added objects to the isometric (staggered) renderer
* Fixed bug that caused grey artifacts at the top left and right corners of a tall sprite when in isometric (staggered) renderer
Allow changing order of open document tabs
Match open document order with document tab order
Changed coding style to match the original
Change DocumentManager to use MovableTabWidget
Normalize MovableTabWidget signals and slots
Removed use of deprecated functions from qtpropertybrowser
Removed usage of deprecated qVariantValue
Initial support for compiling Tiled with Qbs

Not compiling additional binaries or any plugins yet, and not taking
care of the translations. Install step not tested either.
Fixed unused variable warning when compiling in Release mode
Added parenthesis suggested by gcc

No difference in behavior, but good for clarity.

warning: suggest parentheses around comparison in operand of ‘^’
[-Wparentheses]
Removed line that is causing a warning when read by Qt Creator

"Cannot read /home/bjorn/projects/tiled/src/qtpropertybrowser/config.pri:
No such file or directory"

Tiled is not going to use the QtPropertyBrowser as a library anyway.
Fixed missing translation update
Merge pull request #652 from Champi080/master

TileTool StatusInfo: Added Tile ID
Some simplifications and fixes to showing local tile ID

* Removed separate updating function and data member
* Use TileLayer::contains instead of TileLayer::bounds().contains()
* Don't show 0 as "None" since for the local tile ID, 0 means the first
  tile in the tileset
* Tweaked notation a little
* Removed unnecessary isEmpty and isTileLayer checks
* Removed the isVisible check, since I think it is a little confusing to
  display "None" just because the layer isn't visible
* Made sure the text is translatable, and renamed "None" to "empty"
Merge pull request #640 from sean-h/master

Allow changing order of open document tabs
Small correction to copyright lines
Merge pull request #638 from Wodann/master

Isometric (staggered) objects
Unduplicated the object-related staggered renderer code

It is the same as the code for dealing with objects in the orthogonal
renderer, so we can share it by simply basing the StaggeredRenderer
on the OrthogonalRenderer.
Refer to direct superclass in using statements