Improve colors in webui and fix ans256 to rgb

- added fname and fdelimiters in disasm views
- fix r2 ansi256 to rgb conversion
- clean color string, no leading whitespaces, trash anything after color
Fix support for dwarf on currentpath source files

Catch file-not-found exception when listing source lines
Implement rabin2 -rd to output CL commands to load the addrline info
Honor scr.interactive with asm.cmtright
Update configure script with latest acr
Revert "Fix pxW and pxQ ignoring cfg.bigendian"

This reverts commit 98e553a03aed1027814a20291a78c4d664cec23e.
Fix #1822 with the help of the latest ACR
Fix some PE crashes
Make the PE testsuite pass in green
Use INSTALL_LIB for plugins too
Detect 'main' symbol in stripped Linux PIE ELFs
Fixes for the ELF PIE main detect