Make public static value 'StartupArguments' a private value in MainForm

Fix outbound and inbound packets being added while ignored. Fixes diamondo25#12
Fix exception caused by invalid encoding name, switch to static numbers instead
Rename 'ascii' to 'encoding'
Push to version 2.0.2.6
Change 'Import' to 'Import .pcap file'

Fix lineendings

Report which key and transform methods are used
Fix locales with no subversions (JMS, for example)