Fixed typos in TimeLib.h and Time.cpp

Change-Id: Ia05c370e8f09b75dddf11cf2aa8b5de4c21bd45d

Time.cpp

@@ -141,9 +141,9 @@ int year(time_t t) { // the year for the given time
 
 /*============================================================================*/	
 /* functions to convert to and from system time */
-/* These are for interfacing with time serivces and are not normally needed in a sketch */
+/* These are for interfacing with time services and are not normally needed in a sketch */
 
-// leap year calulator expects year argument as years offset from 1970
+// leap year calculator expects year argument as years offset from 1970
 #define LEAP_YEAR(Y)     ( ((1970+(Y))>0) && !((1970+(Y))%4) && ( ((1970+(Y))%100) || !((1970+(Y))%400) ) )
 
 static  const uint8_t monthDays[]={31,28,31,30,31,30,31,31,30,31,30,31}; // API starts months from 1, this array starts from 0
@@ -213,7 +213,7 @@ time_t makeTime(const tmElements_t &tm){
   seconds= tm.Year*(SECS_PER_DAY * 365);
   for (i = 0; i < tm.Year; i++) {
     if (LEAP_YEAR(i)) {
-      seconds +=  SECS_PER_DAY;   // add extra days for leap years
+      seconds += SECS_PER_DAY;   // add extra days for leap years
     }
   }
   

TimeLib.h

@@ -80,7 +80,7 @@ typedef time_t(*getExternalTime)();
 #define elapsedDays(_time_) ((_time_) / SECS_PER_DAY)  // this is number of days since Jan 1 1970
 #define elapsedSecsToday(_time_) ((_time_) % SECS_PER_DAY)   // the number of seconds since last midnight 
 // The following macros are used in calculating alarms and assume the clock is set to a date later than Jan 1 1971
-// Always set the correct time before settting alarms
+// Always set the correct time before setting alarms
 #define previousMidnight(_time_) (((_time_) / SECS_PER_DAY) * SECS_PER_DAY)  // time at the start of the given day
 #define nextMidnight(_time_) (previousMidnight(_time_)  + SECS_PER_DAY)   // time at the end of the given day 
 #define elapsedSecsThisWeek(_time_) (elapsedSecsToday(_time_) +  ((dayOfWeek(_time_)-1) * SECS_PER_DAY))   // note that week starts on day 1