TAB-4845: fix handling of evicted SoftLockID's in tx stores + fix null handling in tx copying store

git-svn-id: http://svn.terracotta.org/svn/ehcache@9154 b9324663-ca0f-0410-8574-be9b3887307d
TABQA-7342: merge fix from 4.1.4-rc

git-svn-id: http://svn.terracotta.org/svn/ehcache@9155 b9324663-ca0f-0410-8574-be9b3887307d
TAB-4845: merge fix from 4.1.4-rc

git-svn-id: http://svn.terracotta.org/svn/ehcache@9156 b9324663-ca0f-0410-8574-be9b3887307d
TAB-4845: merge fix from 4.1.4-rc

git-svn-id: http://svn.terracotta.org/svn/ehcache@9157 b9324663-ca0f-0410-8574-be9b3887307d
TAB-4845: merge fix from 4.1.4-rc

git-svn-id: http://svn.terracotta.org/svn/ehcache@9158 b9324663-ca0f-0410-8574-be9b3887307d
TAB-4845: merge fix from trunk

git-svn-id: http://svn.terracotta.org/svn/ehcache@9159 b9324663-ca0f-0410-8574-be9b3887307d
Delete ehcache-2.8.4 tag to retag.

git-svn-id: http://svn.terracotta.org/svn/ehcache@9160 b9324663-ca0f-0410-8574-be9b3887307d
Tag ehcache-2.8.4 from 4.1.4-rc branch

git-svn-id: http://svn.terracotta.org/svn/ehcache@9161 b9324663-ca0f-0410-8574-be9b3887307d