Rename build system to be BSL identified instead of BDE.
Fix issue tracker link.
Rename bde_meta_to_gyp* to bsl_*

* Update usage notes in bsl_meta_to_gyp
* Update references to 'bde/bsl metadata' in bsl_meta_to_gyp.patch
Add Travis CI config for 32-bit gcc builds.
Add Travis CI status image.
Merge commit 'eb0b3164fc283975d4616f0f7a5388052fdd5b29'
Import internal commit b1320d9de0fac94e84113f489e71bfe68b3913ca : [APPROVAL] origin/review/oss-issue-5-bsls-timeutil-darwin-includes_drqs-36883008 to master
Import internal commit b8202f86dc414ac04ced53909a5b49c88f5b6242 : [APPROVAL] origin/review/fix-bslstl_unorderedmultiset-test-case-1_drqs-36781261 to master
Import internal commit 5d963eb25ecd65d14ca06586bc9564194e120e21 : [APPROVAL] origin/review/fix-bslstl_iteratorutil-on-sun_drqs-36781261 to master
Import internal commit c662e925effd4c223bb4c6611df9e75838b9d0a8 : [APPROVAL] origin/review/bsls-atomics-dependent-call-drqs36927466 to master
Import internal commit 67870004e468d51e21292b0cee7f90bb91ea48fb : [APPROVAL] origin/review/oss-issue-26-cosmetica_drqs-36959222 to master
Import internal commit 37c0921a9ef817cfde697f335588abf2ab525d23 : [APPROVAL] origin/review/bsls_platform-docs-missing-os-darwin-platform_drqs-36943777 to master
Import internal commit 91357c2f70de28a6092f685d17e2d946ec3793c3 : [APPROVAL] origin/review/allow-pointer-to-member-in-bsl_pair_drqs-36958527 to master
Merge branch 'import' into master
Remove test driver exceptions for bslstl_iteratorutil and bslstl_unorderedmultiset on Sun
Fix bsls_atomic*.t.cpp failures for 32-bit builds on AIX xlC 11.1
Import internal commit ad11f5e7116a3834fee7839eb3fb62fd37775be3 : [APPROVAL] pending/master/remove-my_class5-tests-from-typetraits-test-drivers_drqs-35644799 to master
Import internal commit 849c21ede5e4f898db51adc9147c73ce2020f993 : [APPROVAL] bump-versions-to-2.16.0 to master
Update .travis.yml

Update travis 'before_script' to work with new gyp script name.
Merge branch 'import'