Removed useless <h1> tag in Players page
Removed useless <h1> tag in Spells_home page
Reworked Manage_player page
Reworked set_artifact page
Reworked set_groups page
Reworked Bonus page
Added <hr/> tag in Bonus page
Reworked SpecialQ_manage_player page
Merge pull request #6 from Gabriel59/Bootstrap

Bootstrapped Manage_player, Set_artifact, Set_groups, Bonus, SpecialQ_manage pages