Merge branch 'master' into php5

* master:
  Put PHP extension installation into a shell script.
  Add a folder for travis.

.travis.yml

@@ -9,12 +9,11 @@ php:
 env:
   global:
     # Defines CODE_COVERAGE_PASSPHRASE which is the passphrase for unlocking
-    # the tests/code_coverage_id_rsa RSA private key.
+    # the travis/code_coverage_id_rsa RSA private key.
     - secure: "jtQTZKQBnzUlp/jz7NlM6470ZDnLGVAs53sgvIm4tcYqf9TWSXSXjIYvFsrS\nKPR2eyZaAevYysUkIGRFTUXTlG6tC36YngMp9+6FPxASl8mnGXsTbKcm613B\n59vD3242pgIgqhhmgFQ0c8gbvnE8PuF2aS4/hluP3r+AxhWN56E="
 
 before_script:
-  - git clone git://github.com/zenovich/runkit.git && cd runkit && phpize && ./configure && make && make install && cd ..
-  - echo "extension=runkit.so" >> `php --ini | grep "Loaded Configuration" | sed -e "s|.*:\s*||"`
+  - travis/install-php-extensions.sh
   - sh -c "if [ '$TRAVIS_PHP_VERSION' = '5.5' ]; then composer install --dev --no-interaction; fi"
 
 script:
@@ -22,4 +21,4 @@ script:
   - phpunit --verbose --coverage-text --coverage-html code_coverage/
 
 after_success:
-  - sh -c "if $TRAVIS_SECURE_ENV_VARS; then tests/code_coverage_upload.sh; fi"
+  - sh -c "if $TRAVIS_SECURE_ENV_VARS; then travis/upload-code-coverage.sh; fi"

travis/install-php-extensions.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+#
+# This file is part of the phpseclib project.
+#
+# (c) Andreas Fischer <bantu@phpbb.com>
+#
+# For the full copyright and license information, please view the LICENSE
+# file that was distributed with this source code.
+#
+set -e
+
+function install_php_extension
+{
+    cd "$1"
+    phpize
+    ./configure
+    make
+    make install
+    cd ..
+    echo "extension=$1.so" >> `php --ini | grep "Loaded Configuration" | sed -e "s|.*:\s*||"`
+}
+
+# runkit
+git clone git://github.com/zenovich/runkit.git
+install_php_extension 'runkit'

travis/upload-code-coverage.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# This file is part of the phpseclib test suite.
+# This file is part of the phpseclib project.
 #
 # (c) Andreas Fischer <bantu@phpbb.com>
 #
@@ -13,7 +13,7 @@ HOSTNAME='phpseclib.bantux.org'
 HOSTRSAF='09:40:96:14:6a:cd:67:46:17:e5:b4:39:24:24:6e:9d'
 LDIRNAME='code_coverage'
 RDIRNAME='code_coverage'
-ID_RSA='tests/code_coverage_id_rsa'
+ID_RSA='travis/code_coverage_id_rsa'
 
 # Install expect if necessary
 if ! which expect > /dev/null