Replace Qt with TQt #63

As per title.

PR updated based on some of the feedback. For some points please see my comments and let me know your opinion.

This PR should now be good (hopefully).

LGTM now

I will wait merging this PR till we finalize TDE/koffice-i18n#10. I am planning to update that tomorrow

 A word on compatibility: &chalk; is still in development. From &chalk; 1.5 to
 .6 not many API changes are expected, but there may be some. From &chalk; 1.6
 to 2.0 we will move from &Qt;3 to &Qt;4, from &tde;3 to &tde;4, from
 to 2.0 we will move from &TQt;3 to &TQt;4, from &tde;3 to &tde;4, from

 </para></listitem>
 <listitem><para>
 The &Qt; 3.3 libraries from Trolltech. See
 The &TQt; 3.3 libraries from Trolltech. See

 </para></listitem>
 <listitem><para>
 Troll Tech's &Qt; 3.3 development packages. If these packages are not installed on
 Troll Tech's &TQt; 3.3 development packages. If these packages are not installed on

 <tip><para>While &koffice; will compile and run with any version of &Qt; 3.2 or later, it is recommended that you compile and install
 &Qt; 3.3.4 to take advantage of all the bug fixes (including some security fixes) that have occurred.</para></tip>
 <tip><para>While &koffice; will compile and run with any version of &TQt; 3.2 or later, it is recommended that you compile and install
 &TQt; 3.3.4 to take advantage of all the bug fixes (including some security fixes) that have occurred.</para></tip>

 . Parsing
 a parsing documentinfo,xml (done classicaly with QDom)
 b parsing maindoc.xml (class KWord13Parser, done with Qt's SAX parser: QXml)
 b parsing maindoc.xml (class KWord13Parser, done with TQt's SAX parser: QXml)

 # kde_styledir        Where Qt/KDE widget styles should go to (new in KDE 3).
 # kde_designerdir     Where Qt Designer plugins should go to (new in KDE 3).
 # kde_styledir        Where TQt/TDE widget styles should go to (new in TDE 3).
 # kde_designerdir     Where TQt Designer plugins should go to (new in TDE 3).

 Idea 2
 Look at QSQL module from QT. E.g. there is efficient cursor feature (it works quite good with mysql).
 Look at QSQL module from TQt. E.g. there is efficient cursor feature (it works quite good with mysql).

 <ul>
 <li>Read+write Kexi Databases. This includes all database backends supported by Kexi (like SQLite, MySQL or PostgreSQL).</li>
 <li>Read+write QtSQL Databases. MySQL, PostgreSQL and UnixODBC are supported. There might even be more like Oracle in the commercial Qt version or 3rd party backends.</li>
 <li>Read+write QtSQL Databases. MySQL, PostgreSQL and UnixODBC are supported. There might even be more like Oracle in the commercial TQt version or 3rd party backends.</li>

  *
  * DIRTY HACK FOR SOME INFLEXIBILITY IN QT3's SQL stuff
  *
  * This class is rom some Trolltech guy on QT-interest

     else if (isTextNS && tag == "time")
     {
         // Use TQDateTime to work around a possible problem of TQTime::FromString in TQt 3.2.2
         // Use TQDateTime to work around a possible problem of TQTime::FromString in Qt 3.2.2