LUCENE-6948: Fix ArrayIndexOutOfBoundsException in PagedBytes$Reader.fill by removing an unnecessary long-to-int cast. Also, unrelated, 2 ArrayList<>(initialCapacity) tweaks in getChildResources methods. (merge in revision 1723787 from trunk)
Merged revision(s) 1723636 from lucene/dev/trunk:LUCENE-6964: String-based signatures in JavascriptCompiler replaced with better compile-time-checked MethodType; generated class files are no longer marked as synthetic
Merged revision(s) 1723027 from lucene/dev/trunk:LUCENE-6958: Improve CustomAnalyzer to take class references to factories as alternative to their SPI name. This enables compile-time safety when defining analyzer's components
LUCENE-6951: Improve GeoPointInPolygonQuery using point orientation based line crossing algorithm, and adding result for multi-value docs when least 1 point satisfies polygon criteria.
