Corrected bug #29
Corrected bug #29

The onClick method requires additional information passed into the function. It also implements a "build" method, which may be a more direct way to build the buildings. (reverted from commit 01f7a60374a553d0b8c685318f900b8d3b6e4f61)

rdancer/cbc-kitten-scientists,oliversalzburg/cbc-kitten-scientists,cameroncondry/cbc-kitten-scientists,oliversalzburg/cbc-kitten-scientists,jacob-keller/kitten-scientists,oliversalzburg/cbc-kitten-scientists