Issue 5416: Auto-completion for Command Line API

http://code.google.com/p/fbug/issues/detail?id=5416
FBTest for issue 5416 (Auto-completion for Command Line API)

http://code.google.com/p/fbug/issues/detail?id=5416
Simplified debugger icons a bit
Replaced Break On ... buttons by SVG equivalents
Removed -moz prefix from border-radius where applicable
FBTest: more tracing for failing test
Merge branch 'master' of github.com:firebug/firebug
Unprefixed CSS transitions and @keyframes
Merge branch 'master' of https://github.com/firebug/firebug.git
Issue 5855 (Text selection for inline editing of fonts is broken)
http://code.google.com/p/fbug/issues/detail?id=5855
Use HTTPS for database access
Enhanced regular expression to be able to match IPv6 addresses (just
checking for valid characters)
Issue 6405 ("Get Matching Elements" must not be displayed for @-rules)
http://code.google.com/p/fbug/issues/detail?id=6405
FBTest for issue 6405 ("Get Matching Elements" must not be displayed for
@-rules)
http://code.google.com/p/fbug/issues/detail?id=6405
Merge remote-tracking branch 'origin/master' into issue6268