always enable paste detection.
convert iminsert into a fragment.
clean up how symbols are defined.
Merge pull request #191 from zekzekus/master

file type check converted to pattern match
tweak width truncation values.
reduce variable deprecation.
introduce fragments variable to store all possible parts.
rename fragments to parts.
Merge branch 'symbols'
move file encoding/type into a part.
update documentation about symbols dictionary (#193).
place hunks and branch extension into parts.
place bufferline into parts.
place tagbar into parts.
place syntastic and whitespace into parts.
rename warningmsg to warning.
support configurable layouts.
Merge branch 'dynamic' (#164)
add deprecation warnings.
fixes a weird error after neobundle installs a new plugin.