Closes alert when finish playing tone. Also fix timeout checks and lets ICC open all dependencies before dispatch async events
Bug 847488 - Disposing the Internet tab properly
Bug 848052 - Providing missing styles for FTE
Merge pull request #8400 from frsela/STK/Bug845576

Bug 845576 - STK: No Terminal Response sent after PLAY_TONE, r=vingtetun
Merge pull request #8448 from lodr/bug-847488-tab-disposing

Bug 847488 - Disposing the Internet tab properly
Fixing a regression, low risk,no l10n and r+
Merge pull request #8478 from lodr/bug-848052-fte-regression

Bug 848052 - Providing missing styles for FTE
Regression fixed, low risk, no l10n and r+