Optional LUX wallet release - 5.3.5

• Make option more visible on deployment
• Add info for available valid inputs on Smart Contract and LSR token
• Hide HEX convert action when conversion is done
• Add a button in smart contracts lineedits for auto detect LUX type address
• Minor code fix remove style sheet definition only when window is on
• Hide find widget when help window is on about mode (#105)
• Fix testnet Smartcontract initialization
• add search widget on console options (#104)
• Remove prune code and mid-shutdown logic.
• [misc] Corrected a few typos, moved most subsidy vars to chainparams
• [ux] Misc theming changes by TopoX
• [misc] Keep warning users about LogEvents for the time being
• [ux] Added a hex converter for SC by TopoX
• [depends] Install bdb in /usr/local
• [depends] Remove old vars we don't use
• [depends] Make sure we skip enough dirs before applying the patch
• [depends] Patch bdb against newer GCC versions
• [depends] Switched to building bdb from source
• [depends] Remove duplicate packages, other small tweaks
• [misc] Added peer-limiting on sync (moved to mc)
• [QT] SC & LSR drop down address fix and final touches for dark themes
• Adding dark themes for lux QT wallet - changes include add css, add stylesheet
• [misc] Remove some log clogging, make sure we trail back after each msg
• [misc] Remove ext flags from serialisation routines
• [misc] Fix a big OOMph in our compressor code.
• [smart-contracts] Bump default gas to 5M, switch to a thread-safe
• Make sure the depends script uses proper stack size for windows