4.2.2 Optimizations, Security

-optinal stock ticker in menu
-F2 for admins in SDSF shows login history
-F9 in Topic view jumps to last post or first post, depending on what is on the screen
-Mod 3 and Mod 4 terminal support in time zone selection
-only 3270 printable text in MVS console
-remove need to re-pick a conference when creating a topic inside a conference
-new users cannot send email for n first days after joining (security feature)..config file
-last time builds for FreeBSD, z/OS USS, and Windows
-firewall fixes
-reset shell console terminal upon Ctrl C
-web3270 browser tab flashes when terminal received input
-web3270 cursor shows also in incognito browser mode
-F13 disabled in menu.go
-reduced DB reads by more than 98%
-updated DBMON with more meaningful graphics
-fix return to gosub in multi-statement line
-fix RND and INPUT statements in BASIC
-favicon for web3270
-fix Assembler browser showing BASIC files (SEIXAS)
-remove F9 sort from topic view
-CPU meter in SDSF for admins
-code refactoring for topics view and handling of topics and posts
-topics view sort order now in user profile settings
-many speed improvements in TOPICS, and all DB operations
-fixed some very unlikely to hit bugs in banned users scanning