Update solar abundances

We want to update the default solar abundances to the values listed in Asplund et al. (2005) (http://www.arxiv.org/abs/astro-ph/0410214).

see also Peter's abundances and depletions here

The full reference is:

Asplund, M., Grevesse, N., Sauval, A. J., Cosmic Abundances as Records of Stellar Evolution and Nucleosynthesis in honor of David L. Lambert, ASP Conference Series, Vol. 336, Proceedings of a symposium held 17-19 June, 2004 in Austin, Texas. Edited by Thomas G. Barnes III and Frank N. Bash. San Francisco: Astronomical Society of the Pacific, 2005., p.25

photospheric abundances
N	Elem	log A
1	H	12.00
2	He	10.93
3	Li	1.05
4	Be	1.38
5	B	2.70
6	C	8.39
7	N	7.78
8	O	8.66
9	F	4.56
10	Ne	7.84
11	Na	6.17
12	Mg	7.53
13	Al	6.37
14	Si	7.51
15	P	5.36
16	S	7.14
17	Cl	5.50
18	Ar	6.18
19	K	5.08
20	Ca	6.31
21	Sc	3.05
22	Ti	4.90
23	V	4.00
24	Cr	5.64
25	Mn	5.39
26	Fe	7.45
27	Co	4.92
28	Ni	6.23
29	Cu	4.21
30	Zn	4.60