changed PetscMPIIntCast() to return an error code

Hg-commit: 73696a6c6bf0120a669678ed7c25e3c7bd451960

Reformatted: "Do not put a blank line immediately before PetscFunctionReturn;"

Hg-commit: c8a41c455986e732d0ea0513d7162a54daffaece

Reformatted: "There should be a blank line before PetscFunctionBegin;"

Hg-commit: 05bda4416aaceb2dbd9d85b5720629adc88eef98

plex.c, draw/utils/axis.c: Fixed warnings (values not available at compile time, %le not valid in C89)

Hg-commit: 2392ec615304d70f31eafb3b2eaef7a85596f8c2

commit after merge

Hg-commit: 0abf89d5ee6edf91e6393c34ebd34611a44a1ae3

generally SETERRQXX does not belong on its own line
also fixed formatting issues in dgmres.c (ugh)

Hg-commit: e3fffdf67cd55655a36785a0abc7c197e98ca7cd

Partially unified indentation to two spaces rather than 3, 5, etc.

Hg-commit: 72aceb82fa10cae79a777f91c00d187d4e02f4f6

macros changed to static inline functions
output of example fixed for previous change to example

Hg-commit: 30b16dfe130e50978dcb99c50a8edfc8772fcf0f

Updated style to obey 'Do not put a blank line immediately after PetscFunctionBegin;'

Hg-commit: 5408b9ce2402ad624305b7a7a323ab3ae5e0c3f1

Reformatting: 'No space after a '(' or before a ')''

Hg-commit: 797341a7bfba18bb97e6da668b36bad2e5977356

if, for, while, switch now have consistently a space prior to the opening parenthesis.

Hg-commit: cf69a5905ee4efb938b2bdd2762f87854175a6c5

Replaced '#ifdef' and '#ifndef' with '#if defined()' and '#if !defined()'.

Hg-commit: b3ebae8b626a88c2ac067fd7c3f04f229b43f305

Fixed all violations of 'In function declaration the open bracket { should be on the next line, not on the same line as the function name and arguments'

Hg-commit: dcf94e40c4cd63bca3cd717b13d3be0d4e

Fixed all violations of 'In function declaration the open bracket { should be on the next line, not on the same line as the function name and arguments'

Hg-commit: dcf94e40c4cd63bca3cd717b13d3be0d4ebc15eb

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Carefully replaced more '){' by ') {', added checker script

Hg-commit: a0037010be00b56a68354d942365c8f8df63198a

Style improvements: braces around 'else', partial '){' -> ') {'

Hg-commit: adc31fe870178bcba56a29e10981c8f8716a006a

Eliminated all C++-style comment sequences '//'. Exception: src/dm/impls/mesh/* with all the Sieve stuff

Hg-commit: 2021722ddbb234169c3fed24a68346839472dd36

Carefully removed \t from src/sys/*

Hg-commit: 910eecdb2d9101d15fb5ee24738d9e5eca423f9a

removed silly abreviations

Hg-commit: 0641f9ef776cf11cc3336b494981da756bf9d14f

silly code formatting problems; some people still need to read the style guide

Hg-commit: 7a98cb06baf90914d565ea8801b6900bdc5a04c1

change PetscFListAdd() and PetscFListFind() arguments list to match PetscOpFListAdd/Find() args

Hg-commit: 07f9e01e040feeb4162253a60ca63556436f4135

removed unneeded typedef of function pointer, replaced with manual page for function pointer form

Hg-commit: fd77d06a99d62a828458b49ce06b6519a336ace5

merge c89 fixes from release 3.3

Hg-commit: 2d5593aa1623d18e813e8b6a59a156efae5212d9

some fixes to allow building docs
added manual page for SNESFunction as function pointer "typedef" for documentation

Hg-commit: 500030c17aeb246f96d2a50eef27de48702713c1

don't list unneeded /*I includes; they clutter the manual pages

Hg-commit: e78ba20ae96445858089a43bccd0933d14f8ae95

Disable PetscSF Window entirely when no MPI_Win

Hg-commit: 7980848c1799e606de5fcbc3b95edc8d7b941274