Added missing build steps to generate build files to .travis.yml

.travis.yml

@@ -16,6 +16,11 @@ before_install:
 install:  git clone git://source.ffmpeg.org/ffmpeg.git && cd ffmpeg && ./configure --enable-shared --enable-swscale --enable-gpl  --enable-libx264 --enable-libvpx --enable-libvorbis --enable-libtheora && make -j `grep processor /proc/cpuinfo|wc -l` && sudo make install && sudo make install-libs
 before_script:
   - cd $TRAVIS_BUILD_DIR
+  - libtoolize --force
+  - aclocal
+  - autoheader
+  - automake --force-missing --add-missing
+  - autoconf
   - mysql -e 'create database zoneminder;'
 script:  CXXFLAGS="$CXXFLAGS" ./configure --with-libarch=lib/$DEB_HOST_GNU_TYPE --disable-debug --host=$DEB_HOST_GNU_TYPE --build=$DEB_BUILD_GNU_TYPE --with-mysql=/usr --with-webdir=/var/www/zm --with-ffmpeg=/usr --with-cgidir=/usr/lib/cgi-bin --with-webuser=www-data --with-webgroup=www-data --enable-crashtrace=no --enable-mmap=yes ZM_SSL_LIB=openssl ZM_DB_USER=travis ZM_DB_PASS= && make
 after_success: mysql -u travis < db/zm_create.sql