Close #1237 (refactor "pxa")
Fix #1254 - Make 2048 happy with arrows
Set cursor=0 when following far branches
`pxa` now uses random colours
cleanup
Hackaround to get r2 -B0 working.
update about 32 ops for gb_esil
Rename l to T, add cfg.user and 'TT' chat prompt

* Add cfg.user variable
* Implement TT chat prompt
* Invoked from 'VT'
* Rename 'l' to 'T' command (log -> textlog)
* Add r_sys_whoami () -> set default username
* Add $$ trap instruction in ESIL
* Implement POP and STACK esil commands
Now TT in sandbox mode and fix segfault in free
Fix r2.js webui with 'l'->'T'
Add TT in remote http console (r2 -C host:port)
Initial implementation for the remote visual mode
Initial background thread for the webserver (=h& and =H&)
add "++", "++=", "--" and "--=" to the esil-vm

(cherry picked from commit 3e6d7d73b7374991527b941ce1004995181a0669)
fix syntax failure

(cherry picked from commit 7fe16a1730424698da96c7527d31bfaa53e46f74)
Fix crashes related to sdb
Fix #1245 ? i cant reproduce it so.. im blindy guessing
Fix 'ls'
avoid git bitching around
Add 'pc*' command to print curblock in 'wx;s' commands