8141132: JEP 254: Compact Strings
Summary: Adopt a more space-efficient internal representation for strings.
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
Contributed-by: Brent Christian <brent.christian@oracle.com>, Vivek Deshpande <vivek.r.deshpande@intel.com>, Tobias Hartmann <tobias.hartmann@oracle.com>, Charlie Hunt <charlie.hunt@oracle.com>, Vladimir Kozlov <vladimir.kozlov@oracle.com>, Roger Riggs <roger.riggs@oracle.com>, Xueming Shen <xueming.shen@oracle.com>, Aleksey Shipilev <aleksey.shipilev@oracle.com>, Sandhya Viswanathan <sandhya.viswanathan@intel.com>

8042589: String.toLowerCase do not work for some concatenated strings
Summary: to include surrogate check in loop
Reviewed-by: mchung

8041791: String.toLowerCase regression - violates Unicode standard
Reviewed-by: peytoia

8029235: Update copyright year to match last edit in jdk8 jdk repository for 2013
Summary: updated files with 2011, 2012 and 2013 years according to the file's last updated date
Reviewed-by: tbell, lancea, chegar

8032012: String.toLowerCase/toUpperCase performance improvement
Summary: updated the implementation to improve the performance
Reviewed-by: psandoz, forax

8020037: String.toLowerCase incorrectly increases length, if string contains \u0130 char
Reviewed-by: naoto

6943119: Rebrand source copyright notices
Reviewed-by: darcy, weijun

6404304: RFE: Unicode 5.1 support
Reviewed-by: okutsu, naoto

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