ticket:10249 Implement new islamic calendar variants tbla, rgsa 

git-svn-id: http://source.icu-project.org/repos/icu/icu@34354 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9946: Add test for ede case of formatting {0}, {1}, {2}

git-svn-id: http://source.icu-project.org/repos/icu/icu@34356 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9932: deprecate & disable cloning-into-user-buffer, except keep ucnv_safeClone() intact

git-svn-id: http://source.icu-project.org/repos/icu/icu@34359 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10273: fix compiler warning

git-svn-id: http://source.icu-project.org/repos/icu/icu@34360 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10257: fix typo in isBogus() docs

git-svn-id: http://source.icu-project.org/repos/icu/icu@34361 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10273: work around Windows test failure by disabling optimization of getFixedDecimal.


git-svn-id: http://source.icu-project.org/repos/icu/icu@34362 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9396: Accept NULL pointer with length of 0 in ucol_strcoll and ucol_strcollUTF8. Also added some test case verifying the behavior.

git-svn-id: http://source.icu-project.org/repos/icu/icu@34363 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9396: Reverted allinone.sln changes in the previous commit.

git-svn-id: http://source.icu-project.org/repos/icu/icu@34364 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9740: fix UnicodeString::getTerminatedBuffer() vs. truncated read-only alias

git-svn-id: http://source.icu-project.org/repos/icu/icu@34365 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10361 DecimalFormat, remove number size restrictions that were limiting the ability to format big decimals.

git-svn-id: http://source.icu-project.org/repos/icu/icu@34366 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10407: more efficient UnicodeString::refCount()

git-svn-id: http://source.icu-project.org/repos/icu/icu@34367 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10361 Add missing icu namespace on previouos NumberFormat changes.

git-svn-id: http://source.icu-project.org/repos/icu/icu@34368 251d0590-4201-4cf1-90de-194747b24ca1