eliminate compiler warnings
scripting api: add node.icons.clear() like node.attributes.clear()
preliminary scripting api for exports
Merge remote-tracking branch 'origin/master'
fix typo in html tag
Merge pull request #21 from ruleant/fix_typo

fix typo in html tag
remove imgscalr jar from core MANIFEST.MF (modified imgscalr source code is included in freeplane sources)
new splash
Merge remote-tracking branch 'origin/master'
improving error message
fixed for/with headless mode
java version compatibility
improved null safety
refactoring
scripting API for encrypted nodes
refactored EncryptionController to remove direct Swing references
Merge branch 'master' of github.com:freeplane/freeplane
scripting API for export was added too