A first patch for the Prelude to fix some minor issues.

• Corrections ofspelling mistakes
• Addition of the money collected by the team through the trades of its members
• Correction of a bug concerning the "Street Musician" profession
• Conversion of the music files to OGG format
• Modification of the font style of the tutorial
• Addition of a delay button for the option to reset/validate in the creation of the leader
• Removal of display issues in the tavern discussion
• Removal of the bug that prevented the use of shortcuts in the information after passing through a discussion