Move app to mobile subproject

.gitmodules

@@ -1,35 +1,29 @@
-[submodule "src/main/jni/shadowsocks-libev"]
-	path = src/main/jni/shadowsocks-libev
+[submodule "mobile/src/main/jni/shadowsocks-libev"]
+	path = mobile/src/main/jni/shadowsocks-libev
 	url = https://github.com/shadowsocks/shadowsocks-libev
-[submodule "src/main/jni/badvpn"]
-	path = src/main/jni/badvpn
+[submodule "mobile/src/main/jni/badvpn"]
+	path = mobile/src/main/jni/badvpn
 	url = https://github.com/shadowsocks/badvpn.git
 	branch = shadowsocks-android
-[submodule "src/main/jni/libancillary"]
-	path = src/main/jni/libancillary
+[submodule "mobile/src/main/jni/libancillary"]
+	path = mobile/src/main/jni/libancillary
 	url = https://github.com/shadowsocks/libancillary.git
 	branch = shadowsocks-android
-[submodule "src/main/jni/libevent"]
-	path = src/main/jni/libevent
+[submodule "mobile/src/main/jni/libevent"]
+	path = mobile/src/main/jni/libevent
 	url = https://github.com/shadowsocks/libevent.git
 	branch = shadowsocks-android
-[submodule "src/main/jni/redsocks"]
-	path = src/main/jni/redsocks
+[submodule "mobile/src/main/jni/redsocks"]
+	path = mobile/src/main/jni/redsocks
 	url = https://github.com/shadowsocks/redsocks.git
 	branch = shadowsocks-android
-[submodule "src/main/jni/pdnsd"]
-	path = src/main/jni/pdnsd
+[submodule "mobile/src/main/jni/pdnsd"]
+	path = mobile/src/main/jni/pdnsd
 	url = https://github.com/shadowsocks/pdnsd.git
 	branch = shadowsocks-android
-[submodule "kcptun/kcptun"]
-	path = kcptun/kcptun
-	url = https://github.com/shadowsocks/kcptun
-[submodule "kcptun/go"]
-	path = kcptun/go
-	url = https://github.com/shadowsocks/go
-[submodule "src/main/jni/mbedtls"]
-	path = src/main/jni/mbedtls
+[submodule "mobile/src/main/jni/mbedtls"]
+	path = mobile/src/main/jni/mbedtls
 	url = https://github.com/ARMmbed/mbedtls
-[submodule "src/main/jni/pcre"]
-	path = src/main/jni/pcre
+[submodule "mobile/src/main/jni/pcre"]
+	path = mobile/src/main/jni/pcre
 	url = https://android.googlesource.com/platform/external/pcre