Merge pull request #5 from Gabriel59/Bootstrap

Bootstrapping Players and Spells pages
Remove page-header class from section titles
Migrate Quests page to bootstrap
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