Updated the profiling guide document to reflect the CLI changes and to make sure that the document starts with an explanation of profiling that will be familiar to users and then connects it to expectations
Updated the profiling guide document to reflect the CLI changes and to make sure that the document starts with an explanation of profiling that will be familiar to users and then connects it to expectations

great-expectations/great_expectations,great-expectations/great_expectations,great-expectations/great_expectations,great-expectations/great_expectations