don not git idea project files; remove gen/* from git; lower target to api 7
change theme to Theme.NoTitleBar
remove android:alpha; change match_parent to fill_parent; do not git out/*
fix bug in MainActivity and CustomGalleryActivity
remove import not in use
lower minSdkVersion to 7; mark this project as library
don't git build.log and build-log.xml
add init of imageLoader to CustomGalleryActivity; remove build.xml from git
show nearest photo first
show no_media pic when scroll; only refresh the clicked item
clear cache before loading gallery
Merge pull request #2 from happy15/master

Bug fix (maybe) and lowering the target API level