In library set player even when shift clicked

Was quite an annoying small bug.
Was trying to put some blueprints in blueprint library, but they well
wouldn't simply appear in the list.
Came out the uploading and downloading player is only set when the slot
is clicked.
removed useless override to slotClick
Merge branch 'tambry-librarygetnamewhenshift' into 6.0.x
added double plant to the list of ignored blocks, close #1729
removed redundant handling of custom items, for #1730
Enable/disable delete button when selected or not
Merge branch 'tambry-blueprintlibrarydisabledelete' into 6.0.x
Update GuiBlueprintLibrary.java

Fixed a formatting error.
Merge pull request #1736 from ninehous/patch-1

Update GuiBlueprintLibrary.java
Disable/enable page buttons in blueprint library
Fix server crash while drop items in stripes pipe too
Fix read/write nbt in builders
Update MjAPI (implementation and docs)
Fix comparator requirements for builder
Merge branch 'tambry-blueprintlibrarypagebuttons' into 6.0.x
Merge branch 'drop-stripes' of https://github.com/Prototik/BuildCraft into Prototik-drop-stripes
Merge branch 'Prototik-drop-stripes' into 6.0.x
Merge pull request #1743 from Prototik/builder-energy

Fix read/write nbt in builders
Merge pull request #1744 from Prototik/builder-comparator

Fix comparator requirements for builder
Merge branch 'mjapi' of https://github.com/Prototik/BuildCraft into Prototik-mjapi