Remove some unnecessary 'nbsp's

They serve no semantic purpose, and make copy-paste slightly uglier.

This has the effect of making the DOM panel breakpoint column a bit
thinner, and giving the property descriptor table cell a consistent
width.
Update locale: hu-HU
Merge branch 'master' of github.com:firebug/firebug
Fixed FBTest dom/3597/issue3597.js
Issue 7332: 	Cropped string can't be expanded in the Watch panel
Merge branch 'master' of github.com:firebug/firebug
Extended search/6454/issue6454.js to also cover issue 4491 (HTML panel
search fails)
http://code.google.com/p/fbug/issues/detail?id=4491
Merge branch 'master' of github.com:firebug/firebug
Added info about issue 6406 (Color display setting doesn't affect color
names) also being covered by FBTest css/5507/issue5507.js
FBTest: test for issue 7332
Locale update: pl
Issue 7320: 	Watch expressions modifications are not persistent when switching to another panel
Merge branch 'master' of github.com:firebug/firebug
Avoid trace errors when unregistering command line commands (related to issue 7170)
Remove obsolete comments
Update tracing
FBTest for issue 3251 (Alt + double-clicking opens the selected node
instead of the double-clicked node in Edit Mode)
http://code.google.com/p/fbug/issues/detail?id=3251
Merge branch 'master' of https://github.com/firebug/firebug.git
Issue 5586 (Use DOM Mutation Observers for MutationRecognizer)
http://code.google.com/p/fbug/issues/detail?id=5586
Part 1: Replaced mutation events by mutation observers in
MutationRecognizer
Issue 5586 (Use DOM Mutation Observers for MutationRecognizer)

http://code.google.com/p/fbug/issues/detail?id=5586
Part 2: Adjusted APIs using MutationRecognizer