UI style change

small changes were added in the style of UI
try-catch around replaceState, fixes #18
auto-update during edit (fixes #20), tab does nothing
Merge pull request #28 from ligool/master

UI style change
styling cleanup
freemind formatting support, fixes #25
embedded font
Update README.md
Update README.md
Automated merge with git+ssh://github.com:ondras/my-mind.git
typo
fixes
beforeunload event, fixes #33
status size fix
better font
no metaKey for pan commands, fixes #38
fixes and tunings
phantom experiments
style refactoring
Automated merge with ssh://kapitan/projects/my-mind