Merge pull request #163 from angieo/web

[Web] URBNG-66 Login and authorization
Merge pull request #165 from angieo/web

URBNG-66 Login and authorization - Small fix for e-mail sending instead ...
Added 4 example tasks to game gid=1.

Changes:
* added some tasks
* added some forgotten fields to server responces
* added geodistance function again
* other smaller changes
Merge branch 'web' of https://github.com/blstream/UrbanGame into web

Conflicts:
	database/urbangame.h2.db
	database/urbangameApi.h2.db
Merge pull request #166 from mkaim/web

URBNG-35: Added 4 example tasks to game 1
Fix of sending GPS answer.
Fixing number of points when GPS task answer is rejected.
Merge pull request #167 from mkaim/web

URBNG-35: Little fix of sending gps task answer
Because there are few changes and I need this modification ASAP, I will merge my own pull-request.
Merge remote-tracking branch 'blstream.origin/web' into web