Fixes#10135.
Adds a new LDML Keyboard Project template and form, and allows
instantiation from kmconvert command-line and from the New Project
dialog in Keyman Developer IDE.
Fixes#9869.
Adds a 'Description' field, tweaks Copyright strings, and tweaks
default content for documentation to the New Project wizards and
kmconvert.
Fixes#9551.
Removes various .keyboard_info files from test fixtures and also removes
generation of .keyboard_info source files from kmconvert, alongside now-
redundant tests (cvt.dpr).