* FIX: project.json saving

* FIX: CM theme loading
* FIX: completion for hxml projects
* FIX: multiple haxe processes issue(check if process if already started)
* CHANGED: Plugins were moved to the core(for performance, stability and to make development easier), HIDE still supports plugin system.
* CHANGED: Release on haxelib only JavaScript code(without source)
* CHANGED: removed Acorn(unused parser, which Tern depends on)
* CHANGED: removed Tern
* CHANGED: use TJSON to encode/parse JSON data
* CHANGED: show anyword completion when no completion available
* CHANGED: moved elements CSS to one file theme.css
* CHANGED: moved source code to packages
* CHANGED: renamed config.json to hotkeys.json
* CHANGED: Project options panel: show run action option for hxml projects
* CHANGED: check if run action url/file/command is empty
* ADDED: Help: changelog command
* ADDED: Options: Open editor configuration file command
* ADDED: Help: Show code editor key bindings
* ADDED: Options: Open stylesheet(to customize visual look of HIDE)
* ADDED: Show hints for function parameters
* ADDED: compile time errors linting
* ADDED: Options: Open autoformat configuration file to adjust code formatter options
* ADDED: restore open tabs
* ADDED: Select last active tab when restoring open tabs
* ADDED: check document extension before showing function parameters/completion/linting
* UPDATED: CodeMirror to v4