PLINK-449: XMLConfigurationProvider should make IDM_Classloaders array private
PLINK-463: XMLEncryptionUtil should use StringUtil for null string checks
Merge pull request #297 from anilsaldhana/master

PLINK-449: XMLConfigurationProvider should make IDM_Classloaders array p...
PLINK-464: WSSecurityWriter/WSTrustResponseWriter should use StringUtil for null string checks
Merge pull request #298 from anilsaldhana/master

PLINK-464: WSSecurityWriter/WSTrustResponseWriter should use StringUtil ...
PLINK-468: close the inputstream
Merge pull request #299 from anilsaldhana/master

PLINK-468: close the inputstream
PLINK-467: close fileoutputstream in finally
Merge pull request #300 from anilsaldhana/master

PLINK-467: close fileoutputstream in finally
PLINK-469: make String constants final
Merge pull request #301 from anilsaldhana/master

PLINK-469: make String constants final
PLINK-466: do not use new String of String
Merge pull request #302 from anilsaldhana/master

PLINK-466: do not use new String of String
PLINK-461: close reader in finally
Merge pull request #303 from anilsaldhana/master

PLINK-461: close reader in finally
PLINK-462: close reader in finally
Merge pull request #304 from anilsaldhana/master

PLINK-462: close reader in finally
PLINK-453: handle null paramValues
Merge pull request #305 from anilsaldhana/master

PLINK-453: handle null paramValues
PLINK-460: close streams