galt: changes by commit

branch to review (2010-04-19 to 2010-04-27) v230

• Tolerate double-slash in path
  • src/lib/portimpl.c 1.16 - lines changed: 1, context: html, text, full: html, text
• needed to keep setBbiViewLimits() inside the error-trapped block, otherwise get SIGSEGV now if bigDataUrl invalid
  • src/hg/lib/customFactory.c 1.123 - lines changed: 2, context: html, text, full: html, text
• handling wiggle density better for sparse variableStep wiggles
  • src/hg/hgGenome/import.c 1.18 - lines changed: 15, context: html, text, full: html, text
• v230 preview
  • src/utils/qa/weeklybld/buildEnv.csh 1.110 - lines changed: 2, context: html, text, full: html, text