[sql] fix bug in `cb-sql:after-sql-keyword?`

Do not return t if point is at the start of a keyword.
clean up blanks in `cb-sp:kill-blank-lines`
Move smartparens hook out of evil config
tweak elisp font-lock
Update idris indentation config
Forward-define idris-mode-hook to fix clobbering
Fix to idris smart question mark
Customise idris vars
Sql snippets