Fix function comments based on best practices from Effective Go

database/migration/ghost.go

@@ -39,7 +39,7 @@ type dateHolder struct {
 	lastLogin   *time.Time
 }
 
-// Function to convert a Ghost database to use with Journey
+// Ghost: Function to convert a Ghost database to use with Journey
 func Ghost() {
 	// Check every file in data directory
 	err := filepath.Walk(filenames.DatabaseFilepath, inspectDatabaseFile)

date/date.go

@@ -10,7 +10,7 @@ import (
 
 var marchMayChecker = regexp.MustCompile("M([^a]|$)")
 
-// Whenever we need time.Now(), we use this function instead so that we always use UTC in journey
+// GetCurrentTime: Whenever we need time.Now(), we use this function instead so that we always use UTC in journey
 func GetCurrentTime() time.Time {
 	return time.Now().UTC()
 }

structure/methods/helper.go

@@ -5,7 +5,7 @@ import (
 	"strings"
 )
 
-// Function to put all arguments into a neatly organized map (splitting argument.Name with format "name=argument" into map["name"]"argument")
+// ProcessHelperArguments: Function to put all arguments into a neatly organized map (splitting argument.Name with format "name=argument" into map["name"]"argument")
 // for easier lookup and use in helper functions.
 func ProcessHelperArguments(arguments []structure.Helper) map[string]string {
 	argumentsMap := make(map[string]string)