Hidenori Matsuoka updates Guitar Kit to v7.6 for iOS

Hidenori Matsuoka has updated Guitar Kit to v7.6. This update includes fixes of some preset chord forms.

Changes:

• Fixed some Preset Chord Forms boldly.
• Fixed an issue where interval text (b13) may be cut off in the 22 fret display.
• Changed color and font of Count indicator on Sheet View.
• Changed User Library title from Chord Name to Add Name.
• Updated some old notations.