fix(modal): don't hide on out click if backdrop === 'static' (#629)
fix(modal): don't hide on out click if backdrop === 'static' (#629)

Fixes: #574
sublime392/ng2-bootstrap,macroorganizm/ng2-bootstrap,valor-software/ngx-bootstrap,buchslava/angular2-bootstrap,imribarr-compit/ng2-bootstrap,felixkubli/ng2-bootstrap,imribarr-compit/ng2-bootstrap,valor-software/ng2-bootstrap,BojanKogoj/ng2-bootstrap,macroorganizm/ng2-bootstrap,felixkubli/ng2-bootstrap,BojanKogoj/ng2-bootstrap,IlyaSurmay/ngx-bootstrap-versioning,buchslava/angular2-bootstrap,felixkubli/ng2-bootstrap,BojanKogoj/ng2-bootstrap,valor-software/ngx-bootstrap,erodriguezh/ngx-bootstrap,Le0Michine/ng2-bootstrap,sublime392/ng2-bootstrap,macroorganizm/ng2-bootstrap,sublime392/ng2-bootstrap,valor-software/ngx-bootstrap,IlyaSurmay/ngx-bootstrap-versioning,imribarr-compit/ng2-bootstrap,valor-software/ng2-bootstrap,valor-software/ngx-bootstrap,buchslava/angular2-bootstrap,Le0Michine/ng2-bootstrap