No need to check the -periodicity option by hand.
Clean up the Mahaffy surface gradient code.

Both offsets (I and J) need to be taken care of, so we don't need the
o-loop.
Improve interpolation weight computation code.

IceGrid::compute_point_neighbors() computes indexes of grid
columns (rows) both to the left (bottom) and to the right (top) relative
to a given point. (If we only compute the index of the column to the
left j, then j+1 may turn out to be invalid.)
Replace -Winline with -Wno-inline to avoid bogus warnings.

GCC warns about failing to inline default destructors. Weird.
Silence compiler warnings.
Fix IceModelVec::check_array_indices() (now it works for 3D fields too).
pism::NCFile: add the m_ prefix to data members.
pism::NCFile: create a non-virtual interface

...making all virtual member functions protected or private.
Fix #299 by removing a bunch of old iffy code.

verbPrintf() used to extend the printf format specification by adding
"%A". This feature was not used anywhere in PISM.
Clean up the TR1 business a little bit.
another ref
Silence a compiler warning.
fixed units of climatic_mass_balance in util/flowlineslab.py (m/yr to kg m-2 s-1)
Merge branch 'dev' into 'fevor' to keep things up to date