GettingandCleaningData

###1. Merges the training and the test sets to create one data set. ###2. Extracts only the measurements on the mean and standard deviation for each measurement. ###3. Uses descriptive activity names to name the activities in the data set ###4. Appropriately labels the data set with descriptive activity names. ###5. Creates a 2nd, independent tidy data set with the average of each variable for each activity and each subject.