Update README.md
finalized Model for release

Improved javadoc comments. Deleted all classes for smart bot because
that goes into the next release.
Made board and snakePath in Field static - previously they were passed
along to each instance of Field without ever being changed.
added logo
Merge branch 'master' of https://github.com/agarsia/TicTac2
bug fix and release 1.0
version 1.0
some fixes in version 1.0
Updated README.md
added google play services library
basic google authentication
implementing google play services

mark database and mark display implemented #6
working on mark creator
changed FileController for better usage
added additional launcher icon with background
added notification icon
deleted unnecessary files
restructured controller and view packages
bug fixes on mark display, started implementing mark creator
implementation of markcreator will be delayed to version 2.1, due to huge code amount, only predefined marks can be chosen for version 2.0 (actually you could hack some more into tictac2/saves/marks.json
some changes in the play controllers
no changes
merge updates