new: usr: Keymap for /msg command
chg: dev: setPromt() clears prompt before setting it
Merge pull request #142 from donat-b/at

Keymap for /msg command
Fix dig glitch when no THREAD_LOCAL avail
chg: correct CONTENT_* values
fix: c++11 features detect
fix: comment
new: config: Adjustable number of reconnects
Fix: layers
fix: layers in math mapgen
fis: object shadows
fix