Import https://secure.teesoft.info/autopager/autopager_0.8.0.2.xpi with extracted autopager.jar

1. Support Firefox Android
2. Bug fixes
3. Support more lazy image load by add an img if there is not one. Refer to http://member.teesoft.info/phpbb/viewtopic.php?p=14249
4. Allow users to choose repository mode at first run. Refer to http://autopager.teesoft.info/modes.html for more information.
Import https://secure.teesoft.info/autopager/autopager_0.8.0.3.xpi with extracted autopager.jar

1. Fix bug where browser hangs in some sites because of sites using javascripts which dooesn't compatible with AP: such as http://member.teesoft.info/phpbb/viewtopic.php?t=5642
Import https://secure.teesoft.info/autopager/autopager_0.8.0.4.xpi with extracted autopager.jar

1. Fix bug where ap doesn't work on some sites: such as http://member.teesoft.info/phpbb/viewtopic.php?f=3&t=5623 and http://forum.paticik.com/read.php?5,6437182
Import https://secure.teesoft.info/autopager/autopager_0.8.0.6.xpi with extracted autopager.jar
Import https://addons.mozilla.org/firefox/downloads/file/185046/autopager-0.8.0.7-sm+fn+fx-linux.xpi with extracted autopager.jar

Disable a few line of code which causes customize toolbar doesn't show. Especially for the first two runs, not sure why.
Import https://addons.mozilla.org/firefox/downloads/file/185342/autopager-0.8.0.8-fx+sm+fn-linux.xpi with extracted autopager.jar

Fix tab focus issue like http://member.teesoft.info/phpbb/viewtopic.php?t=5661 and http://member.teesoft.info/phpbb/viewtopic.php?t=5668.
It seems that this is caused by some unknown issues in handling synchronized XMLHttpRequest.
I used it to load some local resources in 0.8.0.7. This caused issues.
It's resolved in 0.8.0.8 by using asynchronously api.
README.md: add note about linux .xpis