Renames avm1lib's $nativeObject and init
Adds AS2 flash.external.ExternalInterface
target argument of MovieClipLoader#loadClip and unloadClip may be level

According to the document[1,2], "target" argument of these methods may
be number (level).

[1]: http://help.adobe.com/en_US/AS2LCR/Flash_10.0/help.html?content=00001381.html
[2]: http://help.adobe.com/en_US/AS2LCR/Flash_10.0/help.html?content=00001389.html
Set Loader URL from URLRequest.
Merge branch 'master' of https://github.com/mozilla/shumway
Merge branch 'master' of https://github.com/mozilla/shumway
Merge branch 'master' of https://github.com/mozilla/shumway
Support non-smoothed bitmaps in Graphics fills, too

Doesn't work in Firefox yet, but that's a platform bug
Adds .height field to font metrics

We need this value lots of times, so it makes sense to precalculate it
Refactor TextField text run collection for cleanness and store more measurement data

Required for scrolling and `getLineMetrics`
Rename get/setSlot
Properly set and interpret default values in TextFormat
Preliminary real implementation of TextField#getLineMetrics()
Merge pull request #823 from tobeytailor/buttons

Fixes parsing of button characters
Fix regression.
Merge pull request #824 from tobeytailor/timeline

Fixes regression in #789
Improve url parsing on the extension side
Fixes bug in applying font from TextFormat
Add fallback to telemetry
Merge pull request #825 from yurydelendik/telemetry-fallback

Add fallback to telemetry