remove RTL_CONSTASCII_STRINGPARAM in OString constructor

Convert code like:
    OString aKeyName(RTL_CONSTASCII_STRINGPARAM("NDX"));
to:
    OString aKeyName("NDX");
which compiles down to the same code

Change-Id: I1780264cae4484fc78f0586b0750c09f2dce135f
remove RTL_CONSTASCII_STRINGPARAM in OStringBuffer constructor

Convert code like:
    OStringBuffer aKeyName(RTL_CONSTASCII_STRINGPARAM("NDX"));
to:
    OStringBuffer aKeyName("NDX");
which compiles down to the same code

Change-Id: If9c96a290bc18cc8285fb733f27be58c6958b63c
remove RTL_CONSTASCII_STRINGPARAM in OString::equalsL calls

Convert code like:
    if (aByteStr.equalsL(RTL_CONSTASCII_STRINGPARAM("rem")))
to:
    if (aByteStr.startsWith("rem"))

Change-Id: I09e40b3fdc87d59a8176c2a5f39cc6aa5cf5a576
remove RTL_CONSTASCII_STRINGPARAM in OString::matchL calls

Convert code like:
    if (aValue.matchL(RTL_CONSTASCII_STRINGPARAM("BOOL=")))
to:
    if (aValue.startsWith("BOOL="))

Change-Id: I385d10fd486d6a3e5f81f4a28088d913fc2f0d26
fix spelling in comment

Change-Id: Icae96e2b64709b2a9aaf6a5576c29d9d5c8a9868
remove RTL_CONSTASCII_STRINGPARAM in OUString::matchAsciiL calls

Convert code like:
    defaultValue.matchAsciiL( RTL_CONSTASCII_STRINGPARAM( "nextval(" ) );
to:
    defaultValue.startsWith( "nextval(" );

Change-Id: I77bdcbf46bec6ded3c16a8248634b1424a1eb4f0