Merge pull request #115 from msavazzi/master

Forced dispose of images before garbage collection to lower
Added: Setting date format Releasedate
Merge pull request #116 from Cocotus/master

Added new setting: Save Releasedate in date format "yyyy-mm-dd"
fixed: panel location, renamed setting
fixed: proper scrape result in order of settings

now the first scraper has highest priority, all others are used as
fallback
fixed: tv shows filter does not remove seasons/episodes if show list is empty
code: proper sequence
fixed: trailers are now handled in order of modules
improved: Edit MovieSet dialog -> movie list
fixed: MovieSet search-by-keys
added: ExcludeDir
added: MissingItems options for tv shows
fixed: ListTitle is now set in Merging class
code: cleanup
changed: new data scraper handling, code cleanup
code: cleanup
code: cleanup
changed: TMDB scraper API (first part: data)
fixed: MovieSet InfoPanel height
changed: TMDB scraper API (finished data & images)