[feladat @ 264] Fixing typo in MX validation check.

[feladat @ 263] Fixed create user example for PgSQL to have create a new user with a password.

[feladat @ 262] Re-ordering of some of the questions in the installer script. The user is now presented the exact commands to create the Poweradmin database user, instead of giving a mock-up.

[feladat @ 261] Changed suggested configuration code to not use the PGP shorttags for better compatibility.

[feladat @ 260] Fixing another typo in Dutch translation.

[feladat @ 259] Fixing typo in Dutch translation.

[feladat @ 258] Fixing small bug in on-screen print of suggested configuration.

[feladat @ 257] Added translation of installation script. User now may choose between english or dutch installation procedure.

[feladat @ 256] The local configuration file is now written by the installer if the file is writeable to the webserver. If it is not, the user must create the file himself. Fixed a small typo.

[feladat @ 255] Fixed a missing variable definition in the installer.

[feladat @ 254] Allow the use of SRV records, allthough there is no validation of this type (yet). Requested by Philipp Hellmich.

[feladat @ 253] Added a small explanation of the supported regular expression for the search field. This closes ticket:38 and ticket:47.

[feladat @ 252] Added the possibility to select whether MySQL or PostgreSQL should be used. Depending on the choice, a different instruction is displayed in step 3. Also fixed a minor typo.

[feladat @ 251] Fixed a small problem in the database scheme that is created by the install procedure.

[feladat @ 250] Added a check for the existence of the install/ direcory. If it exists, present the user with an error message.