[NCF-293]
Allow .cdl files to have a leading utf-8 BOM.
Also add test.
Fixed issue in CMakeLists.txt related to how the 'bom' test executable was being built.
Added execute bit to ncdump/tst_bom.sh script.
Merge branch 'master' of https://github.com/Unidata/netcdf-c
Reformatted the configuration summary message generated by cake.
Turned off tree view for generated documentation (for the time being).
Added a link to the Continuous Integration dashboard from the main page.
Fixed netcdf-c issue #30 (on github) related to cmake-generated nc-config script.
Merge branch 'sub_doc' of https://github.com/Unidata/netcdf-c into sub_doc