Ever since January, when Baltimore Circuit Court Judge M. Brooke Murdock ruled that Maryland’s law banning same-sex marriage is discriminatory and unconstitutional, the state has been a major battle ground for same-sex marriage advocates around the country. Today, Maryland’s Court of Appeals put an effective end to this chapter of the struggle’s future in the state, ruling that the ban does not violate Maryland’s state constitution. The Associated Press via WTOP has more on the…