vertransform: fix #140 (ref position for grid), verttransform_nest: fix bug with dimensions, both: smaller changes, com_mod: correct comment to nmixz

SPECIES files converted to namelist format. Fixed-format SPCIES files renamed with .oldformat extension. Added 2 wet depo parameters to old-format SPECIES. Renamed internal variables and parameters used for wet deposition. incloud_ratio increased to 2.2

Initial code to handle cloud water in nested wind fields (it is not completely implemented in this commit)

bugfix: MPI version gave wrong wet deposition when using ECMWF cloud water fields. Cloud water in ECMWF fields now uses parameter qc, or reads clwc+ciwc. Added minmass variable as limit for terminating particles.

version 9.2 beta. Changes from HH, AST, MC, NIK, IP. Changes in vert transform. New SPECIES input includes scavenging coefficients

git-svn-id: http://flexpart.flexpart.eu:8088/svn/FlexPart90/trunk@24 ef8cc7e1-21b7-489e-abab-c1baa636049d

move version 9.1.8 form branches to trunk. Contributions from HSO, saeck, pesei, NIK, RT, XKF, IP and others

git-svn-id: http://flexpart.flexpart.eu:8088/svn/FlexPart90/trunk@20 ef8cc7e1-21b7-489e-abab-c1baa636049d

git-svn-id: http://flexpart.flexpart.eu:8088/svn/FlexPart90/trunk@4 ef8cc7e1-21b7-489e-abab-c1baa636049d