Release v0.5.5

• Added auto-start setting.
• Added replicatable clipboard monitor.
• Tweaked fading algorithm to fade much slower now.
• Added tool tip with the time and date a clip was added to the history.
• Added localization for British English.
• Use standard conforming app signature "application/x-vnd.humdinger-clipdinger".
• Bug fix: Deleting clips with the DEL key was broken.
• Bug fix: When Clipdinger is launched, add existing clipboard contents to the history.
• Bug fix: Explanatory text in settings window didn't show 4-digit minutes value and didn't show the correct values when first opened.
• Bug fix: The time a clip was added was put in too small a variable (32bit), now it's 64bit. Old history clips may experience color problems. Use Clear history in that case.