Update README.md
Update README.md

Spelling.
Decided on using XML instead of lua-formatted data files. Remade current examples and continued on other examples needed.
Merge branch 'specifications' of github.com:emanuelpalm/cube-engine into specifications
Update README.md
Removed semi-colon from macro.
Made some adjustments to the entity XML file prototype.
Updated README.md.
Fixed some problems occurring while linking statically, and some other minor problems.
Updated comment style, code formatting, and made other minor fixes.
Updated main.c, added timer tests, added configuration manager, and implemented timer.
Merge branch 'specifications' of github.com:emanuelpalm/cube-engine into specifications
Updated documentation.
Added license.
Removed the visual batch example, and C function prototypes. Also adjusted example XML files.
Initial commit of spatial and visual specification files.
Updated visual data storage specification.
Made spatial functionality strictly 2D. Updated README.md accordingly.
C include statements referring to local files are now within quotation marks rather than brackets.
Re-organized test script resource files, and updated XML specifications accordingly.