visible diagnostics for errors invoking PluginManager.start
Simplify code.
DevKit: DOM Generator cosmetics
IDEA-104424 Zen Coding does not work with Emacs key map

- fix live templates expansion with Emacs keymap
- change priority of shortcuts of bounded actions (see KeymapImpl)
IDEA-93726 When pasting text containing double-quotes into a multi-line GString literal, double-quotes are unnecessarily escaped
compilation 1.8
string builder alloc perf test