added warning message to startup window
moved Operation and Stage from model/tools to model/doc
added ordered-flag to Operation (currently ignored)
removed Verifier class (using Operation class without subclassing now)
minor cleanup
more signal cleanup
more Operation enhancements in preparation for save operation
replaced dummy save implementation with a threaded dummy save implementation
various ESMWriter fixes
basic saving (no data is written to file yet)
minor fix
fix for the ESMWriter fix
write TES3 header
added missing consts to record save functions
added save stage for globals
forgot to write record ID
implemented saving for all supported record types except cells, referencables and references
Merge remote-tracking branch 'graffy76/esxSelector' into saving
fixed missing initialisation of adjuster widget in file dialogue
fixed save path for newly created addons