[#381] removed serve tests from spec
updated jasmine dependency to 1.14.5
added first pass spec for serve command
additional tests to serve spec
additional tests spec behaviour of execute portion in module
[#373] added invalid parametr tests to serve spec
[#373] additional tests for incorrect parameters

probably a better way to test if default parameters are used in the case of incorrect/invalid params, currently brittle and reliant on knowing what default params are