LdifFilesReader now taking a Collection instead of an Iterable as constructor parameter.
Removed Guava dependency
fixed small typing error
Association: removed guava dependency.
ErrorMessageWithUsageTextCommand:
	- removed guava dependency.
	- using StrBuilder to create message.
HelpTextCommand:
	- removed guava dependency.
	- using StrBuilder to create message.
JSAPCommandFactory, LdifSortCommandFactory: removed guava dependency.
LdifEntriesToStringCommand:
	- removed guava dependency.
	- using StrBuilder instead of StringBuilder.
LdifFilesReadCommand: removed guava dependency.
UsageTextCommand: removed guava dependency.
VersionCommand: removed guava dependency.