Build `preview` branches in Travis. Publish to bintray only from these branches
Build `preview` branches in Travis. Publish to bintray only from these branches

jtulach/teavm,konsoletyper/teavm,jtulach/teavm,jtulach/teavm,jtulach/teavm,konsoletyper/teavm,shannah/cn1-teavm-builds,shannah/cn1-teavm-builds,shannah/cn1-teavm-builds,shannah/cn1-teavm-builds,konsoletyper/teavm,konsoletyper/teavm,konsoletyper/teavm,shannah/cn1-teavm-builds