input.Makefile: Maps building: Removed no longer used $(createOnlyMaps)

input.Makefile: Maps building: Removed no longer used %/src.csv, because it is no longer needed to generate map.full.csv from map.csv

input.Makefile: Maps building: %/map.csv: If it doesn't exist, generate directly using $(mkSrcMap) instead of by copying %/src.csv, in order to eventually avoid the need to create a separate src.csv at all. Note that this avoids the need to run make twice when the table is first created to properly bootstrap all maps.

autoremove: Try `svn rm` first in case the file is in svn

input.Makefile: Maps building: Removed no longer used %/map.full.csv

input.Makefile: Maps building: %/VegBIEN.csv: Use %/map.csv directly because %/map.full.csv is now a copy of it

input.Makefile: Maps building: %/map.full.csv: Generate by copying map.csv, because the content of these files now differs only in the sort order of the names

inputs/*/*/map.csv: Changed empty mappings to self mappings, using the steps at <https://projects.nceas.ucsb.edu/nceas/projects/bien/wiki/Map_refactoring#Change-empty-mappings-to-self-mappings&gt;. Note that in map.full.csv and VegBIEN.csv, lines that have changed are always the result of the input field's case being changed to match the case of the datasource's actual column name.

inputs/*/*/map.csv: Changed empty mappings to self mappings, using the steps at <https://projects.nceas.ucsb.edu/nceas/projects/bien/wiki/Map_refactoring#Change-empty-mappings-to-self-mappings&gt;. Note that in map.full.csv and VegBIEN.csv, lines that have changed are always the result of the input field's case being changed to match the case of the datasource's actual column name.

join: passthru mode: Fixed bug where empty join mappings needed to have the output field of the right-hand row manually set to the output field of the left-hand row for maps.merge_mappings() to work properly