add a copy constructor and assignment operator to TContentHeader, HTttpHeader and TInternetMessageHeader class.
add a copy constructor to THttpHeader class.
added a mkspec: macx-clang
fix a bug of delete processing for tspawn command.
update version string.
Update ChangeLog and INSTALL files.
renamed: substr.bat -> src/trash/substr.bat
renamed: line_replace.bat -> src/trash/line_replace.bat
updated Doxyfile.
Add TPaginator class. Fix QMetaType error.
Add more functions and fix bugs.
Remove default values in setters
Unit-test for TPaginator class
Fix bug: change ItemsCount and Limit make CurrentPage invalid
Swap expected and actual result in unit-test
Add contributor list.
Separate test function to data function and real test function.
Modify names of getter method to Qt-style name.
Delete meta project file.
Merge branch 'paginator' of https://github.com/tienvx/treefrog-framework into paginator

Conflicts:
	src/test/paginator/paginator.cpp
	src/tpaginator.cpp
	src/tpaginator.h