Patch notes, version 0.3.51

Building tooltip now includes annual profits
Adjusted local vendor ratings (higher on easy, lower on hard)
A purchasing unit with auto-link enabled will now look for a new supplier after 10 days of receiving no cargo
Auto-link does a better job at looking at supply/demand when finding a new supplier
Prepared for using Workshop for community translation. More info coming shortly.
Fixed "net worth" goal not subtracting loans
Fixed "profit" goal being operational profit instead of net profit
AI is now able to issue shares
Purchasing units show warning when the supplier is unable to supply
Natural resource extraction units show warning when depleted
Documented settings and goals (tooltips and guide article)
Stock market window has more tooltips and now clearly shows parties to a transaction
Added support for CJK-languages
Optimization and minor bugfixes