Version 1.0 released and well documented

At last there is version (rev33) which incorporates all features which I regarded as necessary and which have only minor, non-abusive problems left.

Also documentation on pattern language is completed and placed in "overview" of javadocs.

I decide this version should be named 1.0 since it is functional enough for such title, though it remains "beta" because not much people tried and reviewed it.

Since last release here were few major improvements:
- three new elements added (one for using standard regexps and others for referencing other elements);
- subexpressions added (similar to subroutines in programming languages);
- new features for replacement string creation;
- improved command-line interface.

I hope demo-applet will come soon so it would be easier to try this project (without downloading - directly in browser). It should replace nasty floating ring on main page.

"Guide and Examples" page does not show all new features still, so examine javadocs thoroughly.