Added app install listener, and fixed app can't install

[git-p4: depot-paths = "//xFace-Apollo/branches/openxface-android/": change = 17869]
Change encoding type of InAppBrowser.js to utf-8

[git-p4: depot-paths = "//xFace-Apollo/branches/openxface-android/": change = 17870]
Fix crash in priority sd card model, when phone has no external storage card.

[git-p4: depot-paths = "//xFace-Apollo/branches/openxface-android/": change = 17871]
Optimized XPreinstalledAppBatchInstaller code

[git-p4: depot-paths = "//xFace-Apollo/branches/openxface-android/": change = 17872]
Fix capture image crash when phone has no external storage card

[git-p4: depot-paths = "//xFace-Apollo/branches/openxface-android/": change = 17873]
Fix html page displayed incorrectly, when user updated app

[git-p4: depot-paths = "//xFace-Apollo/branches/openxface-android/": change = 17874]