Added reduced grid feature
Merge branch 'master' of github.com:SeniorProjects-CS-Illinois/USGS2012 into reducedgrid
Added reduced grid to includes, hydrofile fix

Hydrofile had a minor bug when trying to getData() with an x,y that
isn't in the hashtable.
Documented grid and go files
converted all current documentation to current format
adding doxyfile and updated pro file
merging in main so branch can be merged
added some grid tests
Merge branch 'reducedgrid' of github.com:drew212/USGS2012 into testing
added some more tests, fixing up reduced grid
reduced grid working, added more tests
merged in documentation and testing branches