Small change in docs.

[SVN r81543]
Docs modified - queries.

[SVN r81547]
not_xxx() predicates generators removed.
disjoint test added.

[SVN r81548]
Docs modified. Creation expanded. Quickstart fixed.



[SVN r81549]
Small error in docs fixed.



[SVN r81550]
Added constructor, insert() and remove() taking a Range.
Added construction, insertion and removal tests for all versions of methods and functions.
Docs updated.

[SVN r81552]
Implemented default translator for boost::tuple.
Added tests and docs.

[SVN r81561]
Each R*tree test divided into 2 files to decrease its size.
Added info about the Allocator in the docs.

[SVN r81565]
Inserter included in the rtree.hpp
Added docs regarding inserter and creation of the rtree from the query results.
Added info about comparision of tuples in default translator.

[SVN r81579]
Small change in docs (text formatting).

[SVN r81581]
knn reference added + small change in docs.

[SVN r81585]
Added test for Value being boost::shared_ptr<obj<Indexable>>.

[SVN r81739]
fixed error in rtree's clear(), test added.

[SVN r81775]
each rtree linear algorithm test case divided into two files.

[SVN r81777]