Fix build on android ndk r9
Merge libsqlcipher_android.so into libdatabase_sqlcipher.so
Hide unnecesary ICU / sqlite3 symbols with -fvisibility=hidden
Merge branch 'singlelibrary' of github.com:littlesavage/android-sqlcipher-spatialite into refactor

Conflicts:
	Makefile
	external/Android.mk
	jni/Android.mk
	jni/Application.mk