[ref] ProjectListActivity -> ProjectListFragment

Required for using ActionBar.Tab
First crack at adding Events List View fragment (#2)

Currently raises this when switching tabs:

    java.lang.NullPointerException
            at android.app.BackStackRecord.run(BackStackRecord.java:606)
            at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1382)
            at android.app.FragmentManagerImpl$1.run(FragmentManager.java:426)
            at android.os.Handler.handleCallback(Handler.java:605)
            at android.os.Handler.dispatchMessage(Handler.java:92)
            at android.os.Looper.loop(Looper.java:137)