Reorganized source files by section instead of by type

AndroidManifest.xml.in

res/xml/settings_headers.xml

res/xml/settings_headers_legacy.xml

src/net/i2p/android/i2ptunnel/TunnelDetailActivity.java

src/net/i2p/android/i2ptunnel/TunnelDetailFragment.java

src/net/i2p/android/i2ptunnel/TunnelEntry.java

src/net/i2p/android/i2ptunnel/TunnelEntryAdapter.java

src/net/i2p/android/i2ptunnel/TunnelEntryLoader.java

src/net/i2p/android/i2ptunnel/TunnelListActivity.java

src/net/i2p/android/i2ptunnel/TunnelListFragment.java

src/net/i2p/android/i2ptunnel/TunnelWizardActivity.java

src/net/i2p/android/i2ptunnel/TunnelWizardModel.java

src/net/i2p/android/router/HelpActivity.java

src/net/i2p/android/router/I2PActivityBase.java

src/net/i2p/android/router/I2PFragmentBase.java

src/net/i2p/android/router/InitActivities.java

src/net/i2p/android/router/LicenseActivity.java

src/net/i2p/android/router/LicenseFragment.java

src/net/i2p/android/router/MainActivity.java

src/net/i2p/android/router/MainFragment.java