Update Firefox version to 0.0.4
Prevent user text selection of UI chrome
Consistency with Chrome inspector

- svg icon for inspect button
- clean up svg markup in main navigation
- match table row hover style and table cell border from Chrome
inspector
Prevent unnecessary ellipsis in table header
Merge pull request #79 from nummi/prevent_chrome_selection

Prevent user text selection of UI chrome
Merge pull request #80 from nummi/chrome_inspector_consistency

Consistency with Chrome inspector
[fixes #84] make extracting information from the toString method less brittle

<string>.match(<regex>) will return null if nothing is found
Merge pull request #85 from stefanpenner/more-resiliant-match

[fixes #84] make extracting information from the toString method less brittle
update grunt-mozilla-addon-sdk deps to prevent issues on build_xpi using dirs with space chars
Merge pull request #86 from rpl/fix/build_xpi_dirs_with_spaces

update grunt-mozilla-addon-sdk deps to prevent issues on build_xpi using dirs with space chars
Use init method instead of on('init') to stay backwards compatible

Fixes #88