fixed issue with attributes not saved into db
+ Adding class for eve's dbutil.CFilterRowset
* GetMarketOrders works by sending CFilterRowset with market groups. No types are included, as they are not required by eve client, as seen by official cache files.
Response is not fully filled though.
eve client expects market orders with minor column renaming, fixing
+ Added invMarketGroups table from machonet 320 cache
* adding working GetMarketGroups method. Must be used with sql table from cache, not from official dump.

This is very simplified version of GetMarketGroups, as compared to what it was in previous version of EVE.
Now it only dumps market groups, not types, and the whole method is just a conversion from SQL result to CFilterRowset data structure. Someday this logic should be moved to Database.cpp or somewhere similar
Merge remote branch 'source/master'

Conflicts (resolved):
	src/eve-server/inventory/EVEAttributeMgr.cpp
revert AttributeMap constructor to set mChanged=false. Hope it was really unneeded
Merge master into market
* reduce debug logging in MarketDB.cpp
* Fixed bug with attribute remapping when sqillqueue was active. Not it cannot be done, as in official eve
Region best is shown when you buy, so filter only sell orders.
Also, price minimum seems better to be "best" price
Get own orders work for new eve crucible reply
* debugging logs for GetOrders
Further look into attribute saving: set mChanged=false after successful Load() and Delete(), as they bring data in sync with DB
Merge branch 'master' into market
Merge branch 'market' of https://github.com/positron96/evemu_server into positron96-market

Conflicts:
	src/eve-common/python/classes/PyDatabase.cpp
	src/eve-server/character/Character.cpp
	src/eve-server/character/SkillMgrService.cpp
	src/eve-server/inventory/EVEAttributeMgr.cpp
	src/eve-server/market/MarketDB.cpp