metaeditor plugin build and load on linux fixed
deleteGeneratedFiles after load/unload fail removed
textual path properties fixed
error messaging about building and loading new editor fixed
more fixes on error messaging system
translations added
default item name now without brackets
new type name is DirectoryPath
default element name fixed on more places
naming fixed
Merge pull request #647 from vapolyakov/me_fixes

Meta Editor super small fixes
merged with qreal/master (buttons conflict in PropertyEditorView resolved (code and directorypath types)); comments fixed;