Features:

• gui: Use case-insensitive filtering in Processlist

Code fixes:

• gui: Replace icon 'gtk-jump-to' with 'go-jump'
• gui: Show the process name in its label
• gui: Use 'save' button in save cheat dialog
• gui: Fix selected for context menu in scan/cheatlist
• handlers: Document the write string <addr> <value> option

Clean-up:

• scanmem.1: Escape leading dot in scanmem output
• scanmem.1: Fix a typo to 'address'
• gui: misc: Fix some comments
• gui: Remove some unused pieces
• gui: Replace some deprecated calls
• gui: Remove search_count attribute