divisor and the least common multiple of two longs.

[[Imported from SVN: r2077]]

[[Imported from SVN: r2076]]

codim<codim> irritated  icc 7.x.

[[Imported from SVN: r2075]]

icc version 7.x. Now icc 7.x compiles dune again, which is necessary for
example on clusters where newer compilers are not installed (helics, etc.)

[[Imported from SVN: r2074]]

[[Imported from SVN: r2073]]

[[Imported from SVN: r2072]]

[[Imported from SVN: r2071]]

Also forgot to set walkLevel in setEntity method of Entity<0>.
Also some minor faceliftings.

[[Imported from SVN: r2070]]

[[Imported from SVN: r2069]]

[[Imported from SVN: r2068]]

[[Imported from SVN: r2067]]

process.

[[Imported from SVN: r2066]]

The mark method now set nospilt if marker is 0.

[[Imported from SVN: r2065]]

[[Imported from SVN: r2064]]

[[Imported from SVN: r2063]]

[[Imported from SVN: r2062]]

provided by the macro grid file.

[[Imported from SVN: r2061]]

[[Imported from SVN: r2060]]

[[Imported from SVN: r2059]]

[[Imported from SVN: r2058]]

[[Imported from SVN: r2057]]

[[Imported from SVN: r2056]]

[[Imported from SVN: r2055]]

[[Imported from SVN: r2054]]

[[Imported from SVN: r2053]]

[[Imported from SVN: r2052]]

[[Imported from SVN: r2051]]

[[Imported from SVN: r2050]]

Set ghost support to old method.

[[Imported from SVN: r2049]]

[[Imported from SVN: r2048]]

[[Imported from SVN: r2047]]

[[Imported from SVN: r2046]]

[[Imported from SVN: r2045]]

[[Imported from SVN: r2044]]

[[Imported from SVN: r2043]]

[[Imported from SVN: r2042]]

[[Imported from SVN: r2041]]

[[Imported from SVN: r2040]]

[[Imported from SVN: r2039]]

[[Imported from SVN: r2038]]