FileServer: commandline option for setting listening host (default: 127.0.0.1)
FileServer: transform selector fallbackPage: into --fallback-page and vice versa as suggested by @herby
TestCase: use #printString instead of asString in #assert:equals:

This ensures that the string gets enclosed in '' upon failure.
Previously the start and end of a string was not distinguishable
in the error message.
Merge pull request #468 from mkroehnert/unittest

TestCase: use #printString instead of #asString in #assert:equals:
Merge pull request #467 from mkroehnert/server

Add --host switch to FileServer and change naming of commandline options
Use addJSToLoad everywhere.

There were direct calls to writeScriptTag for jQuery.
Merge pull request #469 from herby/no-direct-writescripttag-calls

Use addJSToLoad everywhere.
Give time window to execute the script.

Packages can load in bad order when loaded using jQuery.
The callback is upon load, not upon execution.
This gives a 5ms time window for the actual execution for each .js file.
Helios-Exceptions package
helios: css tweaks
Helios: HLSourceCodeSaved announcement
Helios: Handle unsaved change
HLAboutToChange announcement
Helios: Workspace refactorings
Helios: Update package list to load
Helios: modified.png image
Fixes issue #471
Add CodeMirror theme files
Load CodeMirror ambiance theme
New confirmation dialog