Can now enable/disable backround drawing for IGUITable and IGUIProfiler.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4968 dfc29bdd-3216-0410-991c-e03cc46cb475
Make profiler start/stop calls use counters to make profiling recursive functions easier.
IGUIProfiler can now work with any profiler using the IProfiler interface.
Some spelling fixes.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4969 dfc29bdd-3216-0410-991c-e03cc46cb475
Allow to freeze the IGUIProfiler interface.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4970 dfc29bdd-3216-0410-991c-e03cc46cb475
Allow IGUIProfiler to display all profile groups on the same page.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4971 dfc29bdd-3216-0410-991c-e03cc46cb475
IGUIProfiler has now more and better display filters.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4973 dfc29bdd-3216-0410-991c-e03cc46cb475