* class.c:
 * class.h: Expose mono_class_is_generic and mono_class_is_inflated.

License: MIT/X11

[687282] Fixes cross references of nested anonymous methods which don't start at parameters level block

Add a bunch of typedefs/enums/#defines to glib.h, as well as many implementations of glib functions:

    g_array_set_size
    g_array_sized_new
    g_list_remove_all
    g_string_erase
    g_string_insert
    g_string_set_size
    g_utf8_offset_to_pointer
    g_utf8_pointer_to_offset
    g_utf8_to_ucs4_fast
    g_unichar_is_space
    g_unicode_break_type (stubbed, always returns G_UNICODE_BREAK_UNKNOWN at the moment)
    g_utf8_offset_to_pointer
    g_utf8_pointer_to_offset
    g_utf8_to_ucs4_fast

	* handles.c (handle_cleanup): When the runtime exit(), not
	everything is shutdown and the main thread might be waiting
	on other threads to finish. On this case, io-layer cleanup
	with assert as a mutex will be in use.
	The work-around is to be lenient to busy resources during
	shutdown.

	Fixes bug #688100.

In addition to handling parameters and local variables,
mono_arch_allocate_vars reserves space for callee-saved registers.

Even though the current implementation takes care of properly aligning
the variables according to their datatype, it doesn't force alignment
to a word boundary before processing the callee-saved area.  This can
result in misaligned accesses if the last locals are booleans or small
integers.

Worse still: the garbage collector does then not see these non-word-
aligned references, and can end up reclaiming the pointed-to objects
if there are no other references to them--causing strange crashes and
type morphing effects under memory pressure.

Fix that by forcibly aligning the callee-saved area.

Commit contributed under the MIT/X11 license.

As:

 1. They use a compact encoding when possible, and

 2. The operations they are being lowered to are not implemented anyway.

Commit contributed under the MIT/X11 license.

The backend splits very large stack frames in two areas, one that can
be accessed using immediate offsets, and another which requires
indirect addressing.

Without this patch, the code generator does not take the split into
account when accessing on-stack arguments, causing crashes and
corruption.

Fix that by subtracting the size of the second area from the IR-specified
offset while generating the native code.

Commit contributed under the MIT/X11 license.

	Setting the credentials to null makes FtpWebRequest throw.
	Fixes bug #688007.

Implemented IDisposable on System.Security.Cryptography.DeriveBytes to match the .Net 4.0 implementation.
From: Chris Shaffer <chris@chrisshaffer.net>

It returns a boolean 'false' when the passed string matches (case-insensitively) 'false' or
is empty, returns 'true' otherwise.
All the other types (and a null value) cause it to throw the NotSupportedException.

* FlashCrossDomainPolicyParser.cs: Skip, not throw, if we find a non-
element node type in a flash policy file.

This is for bugfix #687580.