[emacs] update 16 drones

lib/company                 master                     0.9.6-64-g5ab7f42
lib/doom-modeline           master                    v0.6.0-7-g81a782b
lib/elisp-refs              master                     1.3-7-g786723c
lib/exec-path-from-shell    master                     1.11-25-g9bc0f4a
lib/flycheck                master                     31-181-g1702d2db
lib/helm                    master                    v3.0-23-g2e566095
lib/helpful                 master                     0.15-6-gd37d32e
lib/ivy                     master                     0.10.0-424-gc369298
lib/magit                   master                     2.13.0-365-g14c7b138
lib/markdown-mode           master                    v2.3-200-ga1e1ecc
lib/org                     master                    release_9.1.14-1012-g643481fad
lib/pdf-tools               master                    v0.80-133-gb6c0e4f
lib/projectile              master                    v1.0.0-198-gf5c608d
lib/use-package             master                     2.3-411-g23c5c43
lib/web-mode                master                    v16-39-g925e33f
lib/with-editor             master                    v2.7.4-6-g3ad940c