Typo fixes in install doc.  Document nccopy chunk threshold.
Corrected file extension for included documents.
Updated Makefile.am to remove Doxyfile template for cmake-based builds.
Merge branch 'master' of https://github.com/Unidata/netcdf-c

Conflicts:
	ncdump/nccopy.c
Removed doxygen man page, since it now is in the User Guide.
improve mechanism by which to find parallel HDF5

So far, CMakeLists.txt made the assumption that ${HDF5_LIB} is always defined
in order to determine if it has parallel support. This is not the case, compare
with bug #25.
Make use of FIND_PACKAGE(HDF5) now; it sets HDF5_IS_PARALLEL anyways.
remove tabs from CMakeLists.txt
Merge branch 'master' of https://github.com/Unidata/netcdf-c
Merge branch 'cmake-hdf5' of https://github.com/nschloe/netcdf-c into nschloe-cmake-hdf5
1. Allow files to be opened by name multiple
   times, but returning the same ncid.
2. Separate out the dap auth tests
   and make them disabled by default.
3. turn of ncdap_test/test_varm3 until
   we can find a copy of coads_climatology.nc
Merge branch 'master' of https://github.com/Unidata/netcdf-c
Delete inadvertant UTF-8 character in netcdf.h comment line.
Merge branch 'master' of https://github.com/Unidata/netcdf-c
Added ENABLE_DAP_AUTH_TESTS flag to CMakelists files.
Added a note to RELEASE_NOTES about the new configuration flags.
Merge branch 'temp-dev'
disable refcounting until semantics are decided
Merge branch 'sub_doc' of https://github.com/Unidata/netcdf-c into sub_doc