removing call to test-torch in run.lua

removing test-torch because it is redundant now (all tests moved to main torch7 repo)

cuda caveats

cuda caveats

removed duplicate test

cuda tests for pow cmul cdiv

added tests for mul and div

added a few cutorch tests. added a caveats section

added tests for zeros and ones

added tests for cdiv, cmul

added tests for pow, sin, sinh, cos, cosh, tan, tanh, asin, acos, atan, log, sqrt, exp, floor, ceil

added tests for pow, sin, sinh, cos, cosh, tan, tanh, asin, acos, atan, log, sqrt, exp, floor, ceil

completed the TODO section from the manual. pretty demotivating with the amount of tests left to write :-/

typo in assert statement for dot

added tests for abs, max, min