Update php ext installations

Author: Eugene Leonovich

.travis.yml

@@ -12,7 +12,7 @@ env:
 
 install:
   - docker build -t tarantool/tarantool github.com/tarantool/tarantool-docker#:debian
-  - ./dockerfile.sh | docker build -t queue -
+  - ./dockerfile.sh | tee /dev/tty | docker build -t queue -
 
 script:
   - docker run -d --name tarantool -v $(pwd):/queue tarantool/tarantool /queue/tests/Integration/queues.lua

dockerfile.sh

@@ -8,12 +8,12 @@ RUN_CMDS=''
 
 if [[ $PHP_RUNTIME == php* ]]; then
     RUN_CMDS="$RUN_CMDS && \\\\\n    git clone https://github.com/tarantool/tarantool-php.git /usr/src/php/ext/tarantool"
-    RUN_CMDS="$RUN_CMDS && \\\\\n    docker-php-ext-install zip tarantool"
+    RUN_CMDS="$RUN_CMDS && \\\\\n    echo tarantool >> /usr/src/php-available-exts && docker-php-ext-install zip tarantool"
 fi
 
 if [[ $PHPUNIT_OPTS =~ (^|[[:space:]])--coverage-[[:alpha:]] ]]; then
     RUN_CMDS="$RUN_CMDS && \\\\\n    git clone https://github.com/xdebug/xdebug.git /usr/src/php/ext/xdebug"
-    RUN_CMDS="$RUN_CMDS && \\\\\n    docker-php-ext-install xdebug"
+    RUN_CMDS="$RUN_CMDS && \\\\\n    echo xdebug >> /usr/src/php-available-exts && docker-php-ext-install xdebug"
 fi
 
 echo -e "