hdf5_ep

[svn-r18300] Description:
    Bring Coverity fixes from branch to trunk:

r18282:
   Fix Coverity issue #428 by wrapping testing calls with if(pass) {} block.

r18283:
   Fix Coverity issue #425 by wrapping test calls in if(pass) {} block

r18284:
Issue 166:  init_error() malloc'd 3 pointers in initialization and never freed 
inc ase of errors. Init pointers to NULL, check allocation results and free
allocations in error block

r18285:
   Fix Coverity issue #410 by wrapping test calls with if(pass) {} block.

r18286:
Issue 165:  custom_print_cb() needed allocations freed in error block.

r18287:
Fix coverity issue # 409

Added if (pass) checks around calls to flush_cache. Additionally, 
added a check for file_ptr = NULL after call to setup_cache.

r18288:
Fix coverity# 107 free fh in H5HF_close() correctly before exit the function
even when failure occurs.

r18289:
   Fix Coverity issue #429: correct failure return values to match return type
from routine.

r18290:
   Fix Coverity issue #103: release allocated indirect section  on error

r18294:
Issue 153, 152:  Check allocations and free allocations in error block. Also
cleaned up hid_t identifer that were opened in error block.

r18295:
Fix coverity# 101 free new_loc in H5HF_man_iter_start_entry() correctly before
exit the function even when failure occurs

r18296:
Fix coverity# 100 free down_loc in H5HF_man_iter_down() before exit the function
when failure occurs

r18297:
Fixed coverity issues 54, 55 and 216.  Correctly handle the various ways that
allocation of attr_name can fail in test_attr_basic_write.

r18298:
Fix coverity# 119 free object in H5HG_read() before exit the function when
failure occurs

r18299:
Fix coverity issue #112:

Add cleanup during error handling of H5MP_create.


Tested on:
    Mac OS X/32 10.6.2 (amazon) w/debug & production
    Misc. Linux configurations (on original checkins)