add FPS counter
Merge branch 'gh-pages' into develop

support relative path
add a context object and display FPS only in debug mode
Added sprite keys in constants
Merge branch 'develop' of https://github.com/daureg/rakentaa into develop
FE #9 display current turn in debug mode
change gitignore as we are not using node so far
FE #8 make the map moves using keyboard so we can click on it
add lodash library
FE #8 add functions related to path in the Map class
FE #8 complete commit for keyboard map movement
FE #8 add an army class that can move on the main map
FE #8 document Army methods
FE #9 handle turn
FE #8 consume move point when needed
FE #5 add ressources counting and display, along with a wrapper Player class