Cryptic crossword No 158

Across

1. Contract ran back before disturbance. (6)
2. Competent match follows promotion. (8)
3. Heartless favours containing one-sided amusements. (8)
4. Brilliant month. (6)
5. The Scot shall somehow give the orders. (4,3,5)
6. Cause mutiny without a leader. (6)
7. Disorderly pigpen houses moggie. (6)
8. Average earnings of domiciled men in trouble. (6,6)
9. Military rank picked up by core operating system. (6)
10. Declared more senior fellows are council members. (8)
11. Honestly, absurdly, covertly. (2,3,3)
12. Paraded, having lost a thousand, forming a curve. (6)

Down

1. Team leader confuses fungi. (8)
2. Raised to another place, we hear. (6)
3. Lads once mixed shades of green. (8)
4. Squadron leader advocates deluges. (6)
5. Worshipped when a failure surrounds the deceased. (8)
6. Help when sibling briefly commences task. (6)
7. At the first sign of trouble, request effort. (4)
8. Branded with electrical charge. (8)
9. Confused gladness when he was cast in a Bernstein show. (8)
10. Veracity of air conditioned church office. (8)
11. French love poem taken to the Big Apple by Lear's son-in-law. (6)
12. Insects inhale nitrogen for periods of time. (6)
13. Fashionable Roman goddess endlessly becomes subcontinental. (6)
14. Preserve insect to extract blood vessel. (4)